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  • DEVELOPMENT OF SPECTROSCOPIC TRICKS, METHODS AND INSTRUMENTATION FOR RAMAN SPECTROSCOPY
  • Brandmüller J, Kiefer W and Hacker H, Ramanlampe mit einem Heliumbrenner, Meßtechnik 1:1968; 53.
  • Kiefer W, Registrierung von Ramanspektren mit einem quasikontinuierlichen Rubinlaser, Ber Bunsenges Physikal Chemie 72:1968; 1062.
  • Kiefer W and Schrötter HW, Verbesserung des Signal-Rausch-Verhältnisses bei der Registrierung von Ramanspektren mit 50-Hz-Rubinlaser-Erregung, Z Angew Physik 25:1968; 236.
  • Kiefer W, Eine spezielle Elektronik für quasikontinuierliche Rubinlaser-Ramanerregung, Chem Instrument 3:1971; 21.
  • Kiefer W and Bernstein HJ, A Cell for Resonance Raman Excitation with Lasers in Liquids, Appl Spectrosc 25: 500 1971; and in:Spectroscopic Tricks, Ed. MayL, (Plenum: New York), 1974; Vol. 3, p 219.
  • Kiefer W and Bernstein HJ, Rotating Raman Sample Technique for Coloured Crystal Powders; Resonance Raman Effect in Solid KMnO4, Appl Spectrosc 25:1971; 609.
  • Kiefer W, Raman Difference Spectroscopy with the Rotating Cell, Appl Spectrosc 27:1973; 253.
  • Kiefer W and Topp JA, A Method for Automatic Scanning of the Depolarization Ratio in Raman Spectroscopy, Appl Spectrosc 28:1974; 26.
  • Zimmerer N and Kiefer W, Rotating Surface Scanning Technique for Raman Spectroscpy, Appl Spectrosc 28:1974; 279.
  • Kiefer W, Schmid WJ and Topp JA, A Universal Rotating System for Raman Spectroscopy, Appl Spectrosc 29:1975; 434.
  • Hochenbleicher JG, Kiefer W and Brandmüller J, A Laboratory Study for a Resonance Raman Lidar System, Appl Spectrosc 30:1976; 528.
  • Kiefer W and Nitsch W, Techniques for Direct Scanning of the Reversal Coefficient in Raman Spectroscopy, Appl Spectrosc 31:1977; 50.
  • Klöckner W, Kiefer W and Schrötter HW, A Method for Direct Scanning of the Purely Isotropic Part of Raman Scattered Light, Appl Spectrosc 31:1977; 52.
  • Fietz H, Beckmann A, Hohenberger HP and Kiefer W, A Simple Method for Accurate Wavenumber Determination in High-resolution CARS Spectroscopy, Appl Spectrosc 35:1981; 609.
  • Eichele H, Kolb G, Laane J, Beckmann A and Kiefer W, A Four-Channel Photon-Counter for Raman Spectroscopy, J Phys E, Scientific Instrum 14:1981; 1397.
  • Asthana BP and Kiefer W, Precise Determination of Frequency Shifts by Raman Difference Spectroscopy Using Voigt Profile for the Raman Band, Appl Spectrosc 37:1983; 334.
  • Thurn R and Kiefer W, Microsampling Raman Technique Applying Optical Levitation by Radiation Pressure, Appl Spectrosc 38:1984; 78.
  • Kiefer W, New Developments in Raman Spectroscopy, Fresenius Z Anal Chem 324:1986; 642.
  • Knoll P, Singer R and Kiefer W, Improving Spectroscopic Techniques by a Scanning Multichannel Method, Appl Spectrosc 44:1990; 776.
  • Engert C, Michelis T and Kiefer W, Near Infrared Raman Spectroscopy with a Scanning Spectrometer, Appl Spectrosc 45:1991; 1333.
  • Deckert V and Kiefer W, Scanning Multichannel Technique for Improved Spectrochemical Measurements with a CCD-Camera and its Application to Raman Spectroscopy, Appl Spectrosc 46:1992; 322.
  • Lankers M, Göttges D, Materny A, Schaschek K and Kiefer W, A Device for Surface Scanning Micro Raman Spectroscopy, Appl Spectrosc 46:1992; 1331.
  • Weippert A and Kiefer W, CARS Difference Spectroscopy, Il Nuovo Cimenti 14D:1992; 1033.
  • Roth E, Hope GA, Schweinsberg DP, Kiefer W and Fredericks PM, Simple Technique for Measuring Surface Enhanced Fourier Transform Raman Spectra of Organic Compounds, Appl Spectrosc 47:1993; 1794.
  • Lankers M and Kiefer W, Surface Scanning Micro Raman Spectroscopy, Fresenius' Zeitschr Anal Chem 349:1994; 224.
  • Engert C, Deckert V, Kiefer W, Umapathy S and Hamaguchi H, Design and Performance Characteristics of a Near Infrared Scanning Multichannel Raman Spectrometer, Appl Spectrosc 48:1994; 933.
  • Trunk M, Lankers M, Popp J and Kiefer W, Simple and Inexpensive Design for a Uniform-Size Droplet Generator, Appl Spectrosc 48:1994; 1291.
  • Deckert V, Fickert C, Gernet D, Vogt P, Michelis T and Kiefer W, Stray Light Rejection in Double Monochromators with Multichannel Detection, Appl Spectrosc 49:1995; 253.
  • Urlaub E, Lankers M, Hartmann I, Popp J, Trunk M and Kiefer W, Applications of the optical trapping technique to analyze chemical reactions in single emulsion particles, Fresenius J Anal Chem 355:1996; 329.
  • Nohe A, Lermann G, Schwoerer H, Kiefer W, Sawatzki J and Surawicz G, High resolution/low wavenumber Fourier transform Raman spectroscopy with a rubidium vapor filter and a Ti:Sapphire laser, J Mol Structure 410/411 1997; 65.
  • Deckert V, Liebler W, Eck R and Kiefer W, New device for Raman difference spectroscopy with multichannel and scanning multichannel detection, Appl Spectrosc 51:1997; 939.
  • Lankers M, Popp J, Kiefer W and Rößling G, Raman Investigation on Laser-Trapped Gas Bubbles, Chem Phys Lett 277:1997; 331.
  • Siebert T, Schmitt M, Michelis T, Materny A and Kiefer W, CCD-Broadband Detection Technique for the Spectral Characterization of the Inhomogeneous Signal in fs Time-Resolved Four-Wave-Mixing Spectroscopy, J Raman Spectroscopy 30:1999; 807.
  • Orlovich VA, Kiefer W, Apanasevich PA, Buj AA, Grabtchikov AS, Kachinsky AV, Ermolenkov VV and Kruglik SG, All-solid-state stimulated-Raman-scattering-based source of pulsed radiation tunable in 345–625 and 690–1250 ranges for spectroscopic applications, J Raman Spectrosc 31:2000; 851.
  • Schlücker S, Dem C, Roman VE, Kiefer W and Popp J, Remote sensing of aerosol droplets by nonlinear Raman spectroscopy, J Aerosol Science 32:2001; 541.
  • Kachynski AV, Orlovich VA, Bui AA, Kopachevsky VD, Kudryakov AV and Kiefer W, All solid-state pulsed ultraviolet laser widely tunable down to 188.5 nm, Opt Commun 218:2003; 351.
  • Geßner R, Rösch P, Kiefer W and Popp J, Raman Spectroscopy Investigation of Biological Materials by Use of Etched and Silver Coated Glass Fiber Tips, Biopolymers (Biospectroscopy) 67:2002; 327.
  • Klein V, Popp J, Tarcea N, Schmitt M, Kiefer W, Hofer S, Stuffler T, Hilchenbach M, Doyle D and Dieckmann M, Remote Raman spectroscopy as a prospective tool for planetary surfaces, J Raman Spectrosc 35:2004; 433.
  • Hochleitner R, Tarcea N, Simon G, Kiefer W and Popp J, Micro-Raman spectroscopy: a valuable tool for the investigation of extraterrestrial material, J Raman Spectrosc 35:2004; 515.
  • Geßner R, Winter C, Rösch P, Schmitt M, Petry R, Kiefer W, Lankers M, and Popp J, Identification of Biotic and Abiotic Particles by Using a Combination of Optical Tweezers and In Situ Raman Spectroscopy, ChemPhysChem 5:2004; 1159.
  • Grabtchikov AS, Lisinetskii VA, Orlovich VA, Schmitt M, Maksimenka R and Kiefer W, Multimode pumped continuous-wave solid-state Raman laser, Optics Letters 29:2004; 2524.
  • Geßner R, Rösch P, Petry R, Schmitt M, Strehle MA, Kiefer W, and Popp J, The application of a SERS fiber probe for the investigation of sensitive biological samples, Analyst 129:2004; 1193.
  • Demidovich AA, Grabtchikov AS, Lisinetskii VA, Burakevich VN, Orlovich VA, and Kiefer W, Continuous-wave Raman generation in a diode-pumped Nd3+:KGd(WO4)2 laser, Optics Letters 30:2005; 1701.
  • METHODS AND INSTRUMENTATIONS FOR NONLINEAR RAMAN AND OTHER FOUR-WAVE MIXING SPECTROSCOPIES
  • Böhm N and Kiefer W, Polarized Degenerate Four-Wave Mixing Spectroscopy in Iodine Vapor, Appl Spectrosc 47:1993; 246.
  • Weippert A, Funk JM, Materny A and Kiefer W, Experimental Verification of Backscattering CARS Spectroscopy on Opaque Media, J Raman Spectrosc 24:1993; 705.
  • Grabtchikov AS, Chulkov RV, Orlovich VA, Schmitt M, Maksimenko R, and Kiefer W, Observation of Raman conversion for 70-fs pulses in KGd(WO4)2 crystal in the regime of impulsive stimulated Raman scattering, Optics Letters 28:2003; 926.
  • Demidovich AA, Apanasevich PA, Batay LE, Grabtchikov AS, Kuzmin AN, Lisinetskii VA, Orlovich VA, Kuzmin OV, Hait VI, Kiefer W, Danailov MB, Sub-nanosecond microchip laser with intracavity Raman conversion, Appl Phys B 76:2003; 509.
  • Akimov DA, Schmitt M, Maksimenka R, Dukel'sku KV, Kondrat'ev YN, Khokhlov AV, Shevandin VS, Kiefer W, Zheltikov AM, Supercontinuum generation in a multiple-submicron-core microstructure fiber: toward limiting waveguide enhancement of nonlinear-optical processes, Appl Phys B 77:2003; 299.
  • Akimov DA, Serebryannikov EE, Zheltikov AM, Schmitt M, Maksimenka R, Kiefer W, Dukel'skii KV, Shevandin VS, Kondrat'ev Yu N, Efficient anti-Stokes generation through phase-matched four-wave mixing in higher-order modes of a microstructure fiber, Optics Letters 28:2003; 1948.
  • THEORETICAL AND EXPERIMENTAL STUDIES OF CONTINUUM RESONANCE RAMAN SCATTERING IN DIATOMIC MOLECULES
  • Kiefer W and Schrötter HW, Simultaneous Observation of Resonance Fluorescence and Resonance Raman Effect in Gaseous Bromine, J Chem Phys 53:1970; 1612.
  • Kiefer W and Bernstein HJ, Vibrational-Rotational Structure in the Resonance Raman Effect of Iodine Vapor, J Mol Spectrosc 43:1972; 366.
  • Kiefer W and Bernstein HJ, Vibrational-Rotational Structure in the 5145 Å Excited Anti-Stokes Resonance Raman Spectrum of Iodine Vapor, J Chem Phys 57:1972; 3017.
  • Baierl P and Kiefer W, Hot Band and Isotopic Structure in the Resonance Raman Spectrum of Bromine Vapor, J Chem Phys 62:1975; 306.
  • Baierl P, Hochenbleicher JG and Kiefer W, Pure Rotational Raman Spectra of 79Br2 and 81Br2, Appl Spectrosc 29:1975; 356.
  • Baierl P and Kiefer W, Resonance Raman Scattering from Isotopically Pure and Natural Bromine Vapor, J Raman Spectrosc 3:1975; 353.
  • Baierl P, Kiefer W, Williams PF and Rousseau DL, Evidence for Excited Electronic State Interference in Resonance Raman Scattering, Chem Phys Lett 50:1977; 57.
  • Baierl P and Kiefer W, Raman Scattering from Molecular Rubidium, Appl Spectrosc 32:1978; 240.
  • Baierl P and Kiefer W, Theory of Continuum Resonance Raman Scattering in Diatomics Using Irreducible Spherical Tensors, J Raman Spectrosc 10:1981; 197.
  • Baierl P and Kiefer W, Continuum Resonance Raman Effect in Halogen Gases, J Raman Spectrosc 11:1981; 393.
  • Baierl P and Kiefer W, The δ-Approximation (Reflection) Method Applied to a Two-Photon Process, J Chem Phys 77:1982; 1693.
  • Baierl P and Kiefer W, Theory of Depolarization Ratios in Diatomic Molecules for Continuum Resonance Raman Scattering and Applications to 79Br2, J Raman Spectrosc 15:1984; 360.
  • Ganz M, Hartke B, Kiefer W, Kolba E, Manz J and Strempel J, Continuum Resonance Raman Scattering in Diatomic Molecules: Experiment and Theory, Vibrational Spectroscopy 1:1990; 119.
  • Strempel J and Kiefer W, Polarized and Depolarized Raman Scattering of 35Cl2 with Excitation from the Visible to the UV Region, J Chem Phys 95:1991; 2391.
  • Strempel J and Kiefer W, Polarized and Depolarized Continuum Resonance Raman Scattering of Molecular Iodine: Accurate Determination of Repulsive States, Can J Chem 69:1991; 1732.
  • Strempel J and Kiefer W, Determination of Excited State Potential Functions from Continuum Resonance Raman Scattering: Excitation of 79Br2 from the Visible to the UV Region, J Raman Spectrosc 22:1991; 583.
  • Hartke B, Kiefer W, Kolba E, Manz Jand Strempel J, Scattering Delay Times and Transition Rates for Continuum Resonance Raman Scattering: Detailed Derivations via the Time-Dependent Approach and Applications to 79Br2, J Chem Phys 96:1992; 5636.
  • Vogt P, Deckert V and Kiefer W, Continuum Resonance Raman Scattering in Isotopically Pure 127I79Br, J Raman Spectrosc 23:1992; 365.
  • Ganz M, Kiefer W, Kolba E, Manz J and Vogt P, A symmetry principle for corresponding Stokes/anti-Stokes continuum resonance Raman scattering, Chem Phys 164:1992; 99.
  • Ganz M and Kiefer W, Continuum Resonance Raman Scattering in isotopically pure 127I35Cl, Asian J Physics 1:1992; 111.
  • Ganz M, Strempel J and Kiefer W, Continuum Resonance Raman Scattering in 127I35Cl: Evidence of Two Excited Electronic States, Chem Phys Lett 207:1993; 110.
  • Ganz M and Kiefer W, Continuum Resonance Raman Scattering in Iodine: Time-Dependent Calculations, Scattering Delay Times and Demonstration of Fundamental Priniples, J Raman Spectrosc 24:1993; 463.
  • Ganz M and Kiefer W, Continuum Resonance Raman Scattering in Isotopically Pure 127I35Cl: Determination of Excited State Potential Functions, Mol Phys 81:1994; 69.
  • Kiefer W, Ganz M, Vogt P and Schmitt M, Time Evolution of Resonance Raman Scattering from Simple Systems, J Mol Structure 347:1995; 229.
  • Vogt P, Schmitt M and Kiefer W, Continuum resonance Raman scattering in 127I79Br and 35Cl2: experimental verification of the reflection principle, Chem Phys Lett 243:1995; 64.
  • Vogt P, Schmitt M and Kiefer W, UV-Excited Continuum Resonance Raman Scattering in 35Cl2, J Raman Spectrosc 26:1995; 861.
  • Vogt P, Ganz M and Kiefer W, Simulation of Continuum Resonance Raman Spectra of Isotopically Pure 127I79Br with Excitation in the Visible Region, J Raman Spectrosc 27:1996; 69.
  • Schmitt M, Vogt P and Kiefer W, Continuum Resonance Raman Scattering in 79Br35Cl, Asian J Physics 5:1996; 87.
  • Vogt P, Schmitt M and Kiefer W, Continuum resonance Raman scattering in 127I79Br, Vibrational Spectrosc 12:1996; 207.
  • Braun M, Engel V, Materny A, Schmitt M and Kiefer W, Excitation of symmetric and anti-symmetric stretching motion in the continuum resonance Raman scattering from ABA-type molecules, Chem Phys Lett 284:1998; 39.
  • EXPERIMENTAL AND THEORETICAL STUDIES OF CHEMICAL STRUCTURE
  • Kiefer W and Schrötter HW, Ramanspektren von SnJ4, GeJ4, TiJ4 in flüssiger und kristalliner Phase, Z Naturforschung 25b:1970; 1374.
  • Kiefer W, Ramanspektren von Se2Cl2 und Se2Br2 erregt mit einem quasikontinuierlichen Rubinlaser, Spectrochim Acta A 27:1971; 1285.
  • Posset U and Kiefer W, Raman Spectra and Group Theoretical Treatment of Polycrystalline (dppm)Mo(CO)4 and (dppe)Mo(CO)4, Vibrational Spectrosc 3:1992; 47.
  • Polzer T, Ellebracht A, Kiefer W, Wecker U and Werner H, Novel Synthesis and Vibrational Analysis of (Arene) Osmium(II) Complexes of the Type [(C6H3(CH3)3)OsH2(L)], J Organomet Chem 438:1992; 319.
  • Schmitzer S, Weis U, Käb H, Buchner W, Malisch W, Polzer T, Posset U and Kiefer W, Hydridosilyl Tungsten Complexes of the Type (C5Me5)(OC)2(Me3P)W-SiR3(SiR3 = SiH3, Si(H)Me2, Si(H)(Cl)Me, Si(H)Cl2): Synthesis, Crystal Structure, and Detailed Vibrational Analysis, Inorg Chem 32:1993; 303.
  • Grimm T, Ellebracht A, Kiefer W, Bringmann G and Busse H, Vibrational Studies in a enzonaphthopyrone: Raman and Infrared Spectra, Normal Coordinate Analysis and Semiempirical Calculations, Vibrational Spectrosc 5:1993; 181.
  • Posset U, Lankers M, Kiefer W, Steins H, and Schottner G, Polarized Raman Spectra from Some Sol-Gel Precursors and Micro-Raman Study of One Selected Copolymer, Appl Spectrosc 47:1993; 1600.
  • Deckert V, Engert C, Posset U and Kiefer W, Raman Spectra of Ditertiary Phosphines Ph2P-(CH2)n-PPh2 (n = 1 − 4): and Coordination Shifts in (CO)4Mo(Ph2P-(CH2)n-PPh2) (n = 1, 2), Vibrational Spectrosc 7:1994; 49.
  • Polzer T and Kiefer W, Extended Normal Coordinate Analysis of an (Arene)Osmium(II) Complex with Inclusion of the Ring Ligand, J Organomet Chem 472:1994; 303.
  • Bringmann G, Dauer U, Schupp O, Lankers M, Popp J, Posset U, Weippert A and Kiefer W, The influence of aluminum trichloride on a configuratively labile lactone-bridged biaryl: quantum chemical calculations and optical spectroscopy, Inorg Chim Acta 222:1994; 247.
  • Posset U and Kiefer W, Interpretation of high resolution low-temperature ν(CO) Raman spectra of polycrystalline chelate-substituted transition metal carbonyls, J Mol Structure 349:1995; 427.
  • Bringmann G, Dauer U, Lankers M, Popp J, Posset U and Kiefer W, Structural and electronic influence of aluminum trichloride on a benzonaphthopyranone, J Mol Structure 349:1995; 431.
  • Pikl R, Kiefer W, Reuther I, Schenk WA, Schöner B, Schupp O and Bringmann G, Synthesis and vibrational spectra of thiobutyrolactone and thionobenzonaphtho-pyranones and their cyclopentadienyl ruthenium complexes, J Organomet Chem 494:1995; 89.
  • Malisch W, Lankat R, Seelbach W, Reising J, Noltemeyer M, Pikl R, Posset U and Kiefer W, Pentachlordisilanyl- und Disilanyl-Komplexe von Molybdän und Wolfram: Darstellung, Struktur und spektroskopische Charakterisierung, Chem Ber 128:1995; 1109.
  • Pikl R, Posset U, Malisch W and Kiefer W, Normal Coordinate Analysis of M-CH3-Moieties in Transition Metal Complexes and Comparison to Results Obtained for Methylhalides, Spectrosc Lett 28:1995; 1075.
  • Pikl R and Kiefer W, Normal Coordinate Analysis of Complexes of the Type XReO3(withX = F, Cl, BrandCH3), Asian J Physics 4:1995; 211.
  • Polzer T and Kiefer W, General Valence Force Field and Normal Coordinate Analysis of 1,3,5-Trisubstituted Benzenes, Asian J Physics 4:1995; 217.
  • Malisch W, Lankat R, Schmitzer S, Pikl R, Posset U and Kiefer W, Metallo-Trihydrisosilanes of Molybdenum and Tungsten: Synthesis, Characterization and Vibrational Studies of (C5R5)(CO)2(PMe3)MSiH3(M = Mo, W;R = H, Me), Organometallics 14:1995; 5622.
  • Pikl R, Posset U, Möller S, Lankat R, Malisch W and Kiefer W, Normal Coordinate Analysis of M-SiH3-Moieties in Transition Metal Complexes and Comparison to Results Obtained for Silyl Halides, Vibrational Spectrosc 10:1996; 161.
  • Malisch W, Möller S, Fey O, Wekel HU, Pikl R, Posset U and Kiefer W, Trihydridosilyl-Komplexe von Eisen und Ruthenium: Ein einfacher Zugang, Ligandaustauschreaktionen am Metall und schwingungsspektroskopische Analyse, J Organomet Chem 507:1996; 117.
  • Polzer T and Kiefer W, General valence force fields of the free and the coordinated cyclopentadienyl anion, J Organomet Chem 508:1996; 153.
  • Posset U, Scholz P and Kiefer W, Raman Spectra and Intermolecular Vibrational Coupling Behaviour of Binary Mixed Crystals of (dppm)M(CO)4 Complexes (M = Cr, Mo, W), J Raman Spectrosc 27:1996; 419.
  • Pikl R, Fickert C, Lankat R, Malisch W and Kiefer W, Normal Coordinate Analysis of M-Si2H5- moieties in Transition Metal Complexes and Comparison to Br- Si2H5, Fresenius J Anal Chem 355:1996; 348.
  • Fickert C, Pikl R and Kiefer W, Vibrational analysis and normal coordinate analysis of trimethylphosphane, Fresenius J Anal Chem 355:1996; 351.
  • Deckert V, Asthana BP, Mishra PC and Kiefer W, Dimer and trimer in the pyridine-ethanol mixture reinvestigated applying the scanning multichannel Raman difference technique and AM1 molecular orbital calculations, J Raman Spectrosc 27:1996; 907.
  • Fickert C, Posset U and Kiefer W, Raman spectroscopic study of (Ph2P)2C = CH2 and [(Ph2P)2C = CH2]W(CO)4, J Mol Structure 408/409:1997; 367.
  • Pikl R, Duschek F, Fickert C, Finsterer R and Kiefer W, Vibrational Studies of Phosphines: Raman spectra of the phosphines PMex Ph3−x (x = 0 − 3) and normal coordinate analysis of trimethylphosphine, Vibrational Spectrosc 14:1997; 189.
  • Pikl R, Weber K, Sundermeyer J, Herrmann WA and Kiefer W, Vibrational Study on Rhenium Oxo-complexes: Normal Coordinate Analysis of H3C-ReO3 and [L-ReO3]+ {L = Ph3P = C = PPh3}, Vibrational Spectrosc 14:1997; 299.
  • Schätzlein A, Schubart M, Findeis B, Gade LH, Fickert C, Pikl R and Kiefer W, Raman spectroscopy of nonbridged, dinuclear complexes, J Mol Structure 408/409:1997; 373.
  • Adam W, Groer P, Mielke K, Saha-Möller CR, Hutterer R, Kiefer W, Nagel V, Schneider FW, Ballmaier D, Schleger Y and Epe B, Photochemical and photobiological studies with acridine and phenanthridine hydroperoxides in cell-free DNA, Photochem Photobiol 66:1997; 26.
  • Riegel B, Plittersdorf S, Kiefer W, Hüsing N and Schubert U, Raman spectroscopic analysis of the sol-gel processing of RSi(OMe)3/Si(Ome)4 mixtures, J Mol Structure 410/411:1997; 157.
  • Polzer T and Kiefer W, Extended normal coordinate analysis of a ferriosilane of the type (Cp)(OC)2Fe(SiH3) with inclusion of the ring ligand, Asian J Physics 6:1997; 260.
  • Posset U, Löcklin E, Thull R and Kiefer W, Vibrational Spectroscopic Study of Tetracalcium Phosphate in Pure Polycrystalline Form and as a Constituent of Self-setting Bone Cement, J Biomed Mat Res 40:1998; 640.
  • Riegel B, Blittersdorf S, Kiefer W, Hofacker S, Müller M and Schottner G, Kinetic Investigations of Hydrolysis and Condensation of the Glycidoxypropyltrimethoxysilane/Amino propyltriethoxysilane-System by Means of FT-Raman Spectroscopy I, J Noncryst Solids 226:1998; 76.
  • Cinta S, Venter M, Fickert C, Haiduc I, Scholz P and Kiefer W, FT-Raman Studies on new triphenylphosphine-copper(I) triazenido complexes, J Mol Structure 446:1998; 209.
  • Gbureck A, Pikl R and Kiefer W, Comparison of empirical and quantum mechanical methods for the calculation of vibrational spectra of monohalogenated benzenes, Asian J Physics 7:1998; 251.
  • Gbureck A, Kiefer W, Schneider ME and Werner H, FT-Raman spectroscopy and density functional theory studies on silica-supported rhodium complexes, Vibrational Spectrosc 17:1998; 105.
  • Fleischer R, Walfort B, Gbureck A, Scholz P, Kiefer W and Stalke D, Raman Spectroscopic Investigation and Coordination Behavior of the Polyimido SVI Anions [RS(NR)3] and [S(NR)4]2, Chem Eur J 4:1998; 2266.
  • Riegel B, Kiefer W, Hofacker S and Schottner G, Investigations on the Organic Crosslinking in ORMOCERs by Means of Raman Spectroscopy, Ber Bunsenges Phys Chemie 102:1998; 1573.
  • Urlaub E, Popp J, Roman VE, Kiefer W, Lankers M and Rößling G, Raman Spectroscopic Monitoring of the Polymerization of Cyanacrylate, Chem Phys Lett 298:1998; 177.
  • Angoni K, Popp J and Kiefer W, A Vibrational Spectroscopy Study of “Urinary Sand”, Spectrosc Lett 31:1998; 1771.
  • Riegel B, Kiefer W, Hofacker S and Schottner G, FT-Raman-Spectroscopic Investigations of the System Glycidoxypropyltrimethoxysilane/Aminopropyltriethoxysilane, J Sol-Gel Science and Technology 13:1998; 385.
  • Fischer T, Fickert C, Gbureck A, Kiefer W, Weber B, Stüer W and Werner H, Raman Spectroscopy of Osmium Carbene Complexes, Asian Chemistry Letters 2:1998; 83.
  • Hüsing N, Schubert U, Mezei R, Fratzl P, Riegel B, Kiefer W, Kohler D and Mader W, Formation and Structure of Gel Networks from Si(OEt)4/(MeO)3Si(CH2)3NR'2 Mixtures (NR'2 = NR2 or NHCH2CH2NH2), Chem Mater 11:1999; 451.
  • Börzel H, Comba P, Katsichtis C, Kiefer W, Lienke A, Nagel V and Pritzkov H, Stabilization of Copper Dioxygen Compounds: Design, Synthesis and Characterization, Chem Eur J 5:1999; 1716.
  • Kindermann M, Nagel V, Scholz P, Hahn C, Taube R and Kiefer W, Difference of olefin coordination in mono- and di-cationic organometallic rhodium(I) and palladium(II) complexes studied by Raman spectroscopy, J Mol Structure 482/483:1999; 53.
  • Fickert C, Nagel V, Kiefer W, Wahl G and Sundermeyer J, A Raman spectroscopic study of molybdenum and tungsten dioxo complexes containing related cyclopentadienyl and trispyrazolylborato ligands, J Mol Structure 482/483:1999; 59.
  • Malisch W, Jehle H, Möller S, Thum G, Reising J, Gbureck A, Nagel V, Fickert C, Kiefer W and Nieger M, Iron and ruthenium fragment substituted disilanes C5R5 (OC)2 M-Si2X5 (R = H, Me; M = Fe, Ru; X = Cl, H): synthesis, structural and Raman spectroscopic characterisation, DFT calculation, Eur J Inorg Chem 1999; 1597.
  • Wahl G, Kleinhenz D, Schorm A, Sundermeyer J, Stowasser R, Rummey C, Bringmann G, Fickert C and Kiefer W, Peroxomolybdenum complexes as epoxidation catalysts in biphasic hydrogen peroxide activation: Raman spectroscopic studies and density functional calculations, Chem Eur J 5:1999; 3237.
  • Pfeiffer M, Baier F, Stey T, Leusser D, Stalke D, Engels B, Moigno D and Kiefer W, Di(2-pyridyl)-Amides and -Phosphides: Synthesis, Reactivity, Structures, Raman Experiments and Calculations, J Mol Model 6:2000; 299.
  • Gbureck A, Gbureck U, Kiefer W, Posset U and Thull R, FT-Raman Spectroscopic Investigations on Titanium Alkoxides with Polymerizable Organic Ligands, Appl Spectrosc 54:2000; 390.
  • Vogel E, Gbureck A and Kiefer W, Vibrational spectroscopic studies on the dyes cresyl violet and coumarin 152, J Mol Structure 550/551:2000; 177.
  • Riegel B, Kiefer W, Hofacker S and Schottner G, FT-Raman Spectroscopic Investigations on the Organic Crosslinking in Hybrid Polymers. Part I: Model Reactions of Simple Epoxides, Appl Spectrosc 54:2000; 1384.
  • Moigno D, Kiefer W, Gil-Rubio J and Werner H, Vibrational spectroscopy studies and density functional theory calculations on square-planar vinylidene, carbonyl and ethylene rhodium(I) complexes, J Organomet. Chem 612:2000; 125.
  • Bolboaca M, Cinta S, Venter M, Deak A, Haiduc I, Cozar O, Iliescu T, Rösch P and Kiefer W, Vibrational Behavior of Transition Metal Cupferronato Complexes: Raman Studies on Cobalt(II) Cupferronato Derivatives, Spectrosc Letters 33:2000; 857.
  • Ivanda M, Kiefer W and Mariotto G, Raman light-to-vibration coupling coefficient of ν-SiO2 in spectral interval range up to 600 cm−1, Solid State Communications 117:2001; 423.
  • Wingerter S, Pfeiffer M, Stey T, Bolboaca M, Kiefer W, Chandrasekhar V and Stalke D, The Iminophosphorane Ph3P = NSiMe3 as a Synthon for M-Caryl σ Bonds (M = In, Fe, Ge) Implementing Imino Sidearm Donation, Organometallics 20:2001; 2730.
  • Schlücker S, Koster J, Nissum M, Popp J and Kiefer W, Structural Investigations on Octaethylporphyrin Using Density Functional Theory and Polarization-Sensitive Resonance Coherent Anti-Stokes Raman Scattering Spectroscopy, J Phys Chem A 105:2001; 9482.
  • Moigno D, Kiefer W, Callejas-Gaspar B, Gil-Rubio J and Werner H, Metal-carbon vibrational modes as a probe of the trans influence in vinylidene and carbonyl rhodium(I) complexes, New Journal of Chemistry 25:2001; 1389.
  • Moigno D, Pavel I, Kiefer W, Jehle H and Malisch W, A theoretical study of the reaction products created by irradiation of the carbonyl iron silyl complexes Cp(CO)2FeSiH2Me and Cp(CO)2FeCH2SiH3, J Organometallic Chemistry 648:2002; 155.
  • Riegel B, Kiefer W, Hofacker S, Schottner G, FT-Raman Spectroscopic Investigations on the Organic Crosslinking in Hybrid Polymers Part II: Reactions of Epoxy Silanes, J Sol-Gel Science and Technology 24:2002; 139.
  • Vierheilig A, Moigno D, Kiefer W and Materny A, The Transition Metal Complex(η5-C5H5)Fe(CO)2Cl in Its Neutral, Anionic, and Cationic States—Density Functional Theory Calculations and Mass Spectroscopical Investigations, J Mol Spectrosc 211:2002; 58.
  • Bolboaca M, Kiefer W and Popp J, FT-Raman and surface-enhanced Raman spectroscopy of some quinoline derivatives, J Raman Spectrosc 33:2002; 207.
  • Moigno D, Callejas-Gasper B, Gil-Rubio J, Brandt CD, Werner H and Kiefer W, Preparation, molecular structure, and fundamental vibrational modes of the dinuclear complexes trans-[{RhX(PiPr3)2}2{µ − 1, 3 − (CN)2C6H4}], Inorg Chim Acta 334:2002; 355.
  • Iliescu T, Irimie FD, Bolboaca M, Paisz C and Kiefer W, Vibrational spectroscopic investigations of 5-(4-fluor-phenyl)-furan-2 carbaldehyde, Vibrat Spectrosc 29:2002; 235.
  • Schenk WA, Vedder B, Klüglein M, Moigno D and Kiefer W, Synthesis, structure, DFT calculations, and full vibrational analysis of the prototypical thioformaldehyde complex mer-[W(CO)3(Me2PC2H4PMe2)(η2-S[DOUBLE BOND]CH2)], J Chem Soc, Dalton Trans 2002; p 3123.
  • Pfeiffer M, Murso A, Mahalakshmi L, Moigno D, Kiefer W and Stalke D, Experimental and Computational Study on a Variety of Structural Motifs and Coordination Modes in Aluminium Complexes of Di(2-pyridyl)amides and —phosphanides, Eur J Inorg Chem 2002; p 3222.
  • Moigno D, Callejas-Gaspar B, Gil-Rubio J, Werner H and Kiefer W, The metal-carbon bond in vinylidene, carbonyl, isocyanide and ethylene complexes, J Organometallic Chemistry 661:2002; 181.
  • Bolboaca M, Iliescu T, Paizs C, Irimie FD and Kiefer W, Raman, Infrared and Surface Enhanced Raman Spectroscopy in Combination with Ab Initio and Density Functional Theory Calculations on 10-Isopropyl-10H-phenothiazine-5-oxide, J Phys Chem A 107:2003; 1811.
  • Sinha PK, Bolboaca M, Schlücker S, Popp J and Kiefer W, Vibrational spectroscopic investigations and density functional theory calculations on trans-diaquabis(picolinato)zinc(II) dihydrate complex, J Raman Spectrosc 34:2003; 276.
  • Vögler M, Pavel I, Hofmann M, Moigno D, Nieger M, Kiefer W and Malisch W, Silylene-Bridged Dinuclear Iron Complexes [Cp(OC)2 Fe]2 SiX2 (X = H, F, Cl, Br, I). Synthesis, Molecular Structure, Vibrational Spectroscopy, and Theoretical Studies, Inorg Chem 42:2003; 3274.
  • Hu J, Pavel I, Moigno D, Wumaier M, Kiefer W, Chen Z, Ye Y, Wu Q, Huang Q, Chen S, Niu F and Gu Y, Fourier-transform Raman and infrared spectroscopic analysis of 2-nitro-tetraphenylporphyrin and metallo-2-nitro-tetraphenylporphyrins, Spectrochim Acta A 59:2003; 1929.
  • Schlücker S, Szeghalmi A, Schmitt M, Popp J and Kiefer W, Density functional and vibrational spectroscopic analysis of β-carotene, J Raman Spectrosc 34:2003; 413.
  • Bolboaca M, Stey T, Murso A, Stalke D, and Kiefer W, P-N Bond Length Alterations Monitored by Infrared Absorption and Fourier Transform Raman Spectroscopy in Combination with Density Functional Theory Calculations, Appl Spectrosc 57:2003; 970.
  • Singh RK, Schlücker S, Asthana BP and Kiefer W, Crystal-Smectic G Transformation Investigated by Temperature-Dependent Raman Study, Appl Spectrosc 57:2003; 1288.
  • Srivastava SK, Ojha AK, Koster J, Shukla MK, Leszczynski J, Asthana BP, and Kiefer W, Isotopic dilution, self-association, and Raman non-coincidence in the binary system (CH3)2C = O + (CD3)2C = O reinvestigated by polarized Raman measurements and ab-initio calculations, J Mol Structure 661–662:2003; 11.
  • Petzold H, Bräutigam S, Görls H, Weigand W, Uhlemann U, Geßner R, Kiefer W, Popp J, Majchrzak A, and Mloston G, Oxidations of sulfur rich heterocycles—new S-oxides of the parent 1,2,4-trithiolane and its tetra-methyl derivative: synthesis and structural investigations, Inorganica Chimica Acta 357:2004; 1897.
  • Pavel I, Strohfeldt K, Strohmann C, Kiefer W, 3-Silaoxetane and 3-silathietane: structure and reactivity studies on the basis of spectroscopic data and theoretical calculations, Inorganica Chimica Acta 357:2004; 1920.
  • Li W, Wang Y-B, Pavel I, Ye Y, Chen Z-P, Luo M-D, Hu J-M, and Kiefer W, DFT and HF Studies of the Geometry, Electronic Structure, and Vibrational Spectra of 2-Nitro-tetraphenylporphyrin and Zinc 2-Nitrotetraphenylporphyrin, J Phys Chem A 108:2004; 6052.
  • Lu A-H, Li W-C, Schmidt W, Kiefer W, and Schüth F, Easy synthesis of an ordered mesoporous carbon with a hexagonally packed tubular structure, Carbon 42:2004; 2939.
  • Lu A-H, Schmidt W, Matoussevitch N, Bönnemann H, Spliethoff B, Tesche B, Bill E, Kiefer W, and F Schüth, Nanoengineering of a Magnetically Separable Hydrogenation Catalyst, Angew Chem Int Ed. 43:2004; 4303.
  • Schirmeister T, Breunig A, Murso A, Stalke D, Mladenovic M, Engels B, Szeghalmi A, Schmitt M, Kiefer W, Popp J, Conformation and Hydrogen Bonding Properties of an Aziridinyl Peptide: X-ray Structure Analysis, Raman Spectroscopy and Theoretical Investigations, J Phys Chem A 108:2004; 11398.
  • Li W, Wang Y-B, Pavel I, Yuan Q, Ye Y, Fu EQ, Luo M-D, Hu J-M and W Kiefer, DFT/TDDFT Studies of the Geometry, Electronic Structure and Spectra of (12S)-1,4,7,10-Tetraazadicyclo[10,3,0]-pentadecane-3,11-dione and Its Derivatives, J Phys Chem A 109:2005; 2878.
  • MATRIX-ISOLATION STUDIES
  • Gernet D, Kiefer W, Kammel T, Nau W and Adam W, Matrix isolation Raman spectroscopy and semiempirical calculations of 2,3-diazabicyclo [2.2.1]hept-2-ene (DBH) and its photoproduct bicyclo[2.1.0]pentane (BCP), J Mol Structure 348:1995; 333.
  • Fickert C, Pikl R, Gernet D, Möller S, Malisch W and Kiefer W, Matrix isolation Raman spectroscopy and photochemistry of carbonyl-metal-silyl-complexes, Fresenius J Anal Chem 355:1996; 340.
  • Fickert C, Günther P, Scholz P, Gernet D, Pikl R and Kiefer W, Vibrational analysis and resonance Raman spectra of polycristalline and matrix-isolated [CpFe(CO)2]2, Inorgan Chim Acta 251:1996; 157.
  • Gernet D and Kiefer W, Matrix Isolation Raman Spectroscopy, semiempirical calculations and normal coordinate analysis of strained systems; Part I: 2,3-Diazabicyclo[2.2.1] hept-2-ene, Fresenius J Anal Chem 362:1998; 84.
  • Gernet D, Adam W and Kiefer W, Matrix Isolation Raman Spectroscopy, semiempirical calculations and normal coordinate analysis of strained systems; Part II; Bicyclo[2.1.0]pentane, Vibrational Spectrosc 17:1998; 31.
  • Fickert C, Nagel V, Kiefer W, Möller S, Jehle H, Malisch W, Stowasser R and Bringmann G, Matrix isolation Raman spectroscopy and photochemistry of (η5C5H5)(CO)2 Fe-SiH2 R (R = H, CH3) in comparison with density functional calculations, J Organomet Chem 566:1998; 225.
  • Nagel V, Fickert C, Jehle H, Hohmann M, Vögler M, Malisch W and Kiefer W, Photochemistry studies of matrix isolated carbonyl iron silyl complexes by FT-IR spectroscopy, J Mol Structure 480/481:1999; 511.
  • STUDIES OF RING PUCKERING VIBRATIONS
  • Kiefer W, Bernstein HJ, Danyluk M and Wieser H, The Vapor Phase Raman Spectra and the Ring Puckering Vibration of Trimethylene Oxide, Chem Phys Letters 12:1972; 605.
  • Kiefer W, Bernstein HJ, Wieser H and Danyluk M, The Vapor Phase Raman Spectra and the Ring Puckering Vibration of Some Deuterated Analogues of Trimethylene Oxide, J Mol Spectrosc 43:1972; 393.
  • Wieser H, Danyluk M, Kiefer W and Bernstein HJ, Vapor Phase Raman Transitions in the CH2 Scissoring Region and the Ring Puckering Vibration of Trimethylene Oxide and Some Deuterated Analogues, Can J Chem 50:1972; 2771.
  • Wieser H, Danyluk M, Kydd RA, Kiefer W and Bernstein HJ, Vibrational Spectra and Ring Puckering Progressions in the C-H- Stretching Region of Trimethylene Oxide and Several Deuterated Analogues, J Chem Phys 61:1974; 4380.
  • Fietz H, Beckmann A, Kiefer W and Wieser H, Medium High-Resolution CARS Applied to the Ring Puckering Progressions in the C-H Stretching Region of Trimethylene Oxide and Several Deuterated Analogues, J Chem Phys 77:1982; 4832.
  • Kydd RA, Wieser H and Kiefer W, Vibrational Assignments for Trimethylene Oxide and Several Deuterated Analogues, Spectrochimica Acta A 39:1983; 173.
  • Fietz H, Kiefer W, Smithson TL and Wieser H, Ring Puckering Combinations with the Totally Symmetric Ring Stretching Vibration in Some Deuterated Analogues of Trimethylene Oxide as Resolved by CARS, J Mol Structure 116:1984; 89.
  • STUDIES OF THE SOLID AND AMORPHOUS STATE
  • Kiefer W, Ramanspektren eines AsJ3-Einkristalles und von SbJ3-und BiJ3-Kristallpulvern, Z Naturforschung 25a:1970; 1101.
  • Montero S and Kiefer W, The Raman Spectra of Cadmium Iodide, J Raman Spectrosc 1:1973; 565.
  • Kiefer W, Richter W and Cardona M, Second Order Raman Scattering in InSb, Phys Rev B 12:1975; 2346.
  • Engert C and Kiefer W, Raman Spectra of the Permanganate Ion in the Solid State with Excitation in the Near Infrared, J Raman Spectrosc 22:1991; 715.
  • Gernet D, Kiefer W and Schmidt H, Raman Spectra from Laser-Processed Lead Zirconate Titanate (PbZr0.3T0.7O3) Prepared by a Sol-Gel Process, Appl Spectrosc 46:1992; 571.
  • Engert C, Materny A and Kiefer W, Temperature Dependent Raman Spectra of Polydiacetylene Single Crystals Excited in the Near Infrared, Chem Phys Lett 198:1992; 395.
  • Engert C and Kiefer W, Raman Spectra of Silver Permanganate in the Solid State with Excitation in the Near Infrared, Asian J Phys 2:1993; 1.
  • Engert C, Umapathy S, Kiefer W and Hamaguchi H, Dynamic structure of charge carrier in polyaniline by near-infrared excited resonance Raman spectroscopy, Chem Phys Lett 218:1994; 87.
  • Kirfel A, Schwabenländer F, Posset U and Kiefer W, Crystal structure of [bis-1,2-(dimethyl-phosphino)ethane]-tetra carbonylchromium(0), (C6H16P2)Cr(CO)4, Z Kristall 209:1994; 77.
  • Leuchs M and Kiefer W, Construction of Third and Fourth Rank Tensors for the Triclinic, Monoclinic, and Orthorhombic Crystal Classes, J Raman Spectrosc 25:1994; 317.
  • Ivanda M, Hartmann I, Duschek F and Kiefer W, Raman Study of “Boson Peak” in Amorphous Silicon: Dependence on Hydrogen and Carbon Content, Material Science Forum 173–174:1995; 243.
  • Ivanda M, Desnica UV, Haynes TE, Hartmann I and Kiefer W, Raman study of damage processes in Si+-implanted GaAs, J Mol Structure 348:1995; 33.
  • Ivanda M, Hartmann I and Kiefer W, Boson peak in Raman spectra of amorphous gallium arsenide: generalization to amorphous tetrahedral semiconductors, Phys Rev B 51:1995; 1567.
  • Riegel B, Hartmann I, Kiefer W, Groß J and Fricke J, Raman spectroscopy on silica aerogels, J Noncryst Sol 211:1997; 294.
  • Ivanda M, Waasmaier D, Endriss A, Ihringer J, Kirfel A and Kiefer W, Low Temperature Anomalies of Cuprite Observed by Raman Spectroscopy and X-ray Powder Diffraction, J Raman Spectrosc 28:1997; 487.
  • Materny A, Böhm N and Kiefer W, Spectroscopic investigations of matrix-macromolecule interaction: azo dyes in hybrid polymers, Recent Res Devel in Macromol Res 2:1997; 61.
  • De Waal D, Range K-J, Königstein M and Kiefer W, Raman spectra of the barium oxide peroxide and strontium oxide peroxide series, J Raman Spectrosc 29:1998; 109.
  • Ivanda M, Gamulin O and Kiefer W, Mechanism of Raman scattering in amorphous silicon, J Mol Structure 480/481:1999; 651.
  • Dem C, Ardelean I, Maniu D, Iliescu T, Schlücker S, Kiefer W, Raman Study on B2O3-V2O5 glasses, Asian Chem Lett 3:1999; 275.
  • Baia L, Schlücker S, Kiefer W, Maniu D, Iliescu T and Simon S, Spectroscopic Studies of Iron Doped B2O3-Bi2O3 glasses, Asian J Physics 9:2000; 51.
  • Meuer P, Wolf A, Hansch R, Okrusch M, Popp J, Posset U and Kiefer W, FT-Spectroscopic Study on the Luminescence of Synthetic and Mineral Apatites, Microchim Acta 133:2000; 203.
  • Baia L, Schlücker S, Kiefer W, Maniu D, Iliescu T and Simon S, Raman structural investigation of iron doped B2O3-Bi2O3 glass matrices, Physica 45:2000; 1.
  • Gabel F, Kiefer W, Müller G, Pannhorst W and Sprengard R, On the Raman spectrum of ZrTiO4, Glastech. Ber Glass Sci Technol 73:C1 2000; 337.
  • Baia L, Iliescu T, Simon S and Kiefer W, Raman and IR spectroscopic studies of manganese doped GeO2-Bi2O3 glasses, J Mol Structure 599:2001; 9.
  • Baia L, Stefan R, Kiefer W, Popp J and Simon S, Structural investigations of copper doped B2O3-Bi2O3 glasses with high bismuth oxide content, J Non-Crystalline Solids 303:2002; 379.
  • Maniu D, Ardelean I, Cîntã S, Iliescu T and Kiefer W, Raman spectroscopic investigation of the 3B2O3-K2O-V2O5-CuO glasses, Physica 46:2002; 53.
  • Maniu D, Iliescu T, Ardelean I, Ciceo-Lucacel R, Bolboaca M and Kiefer W, Raman study of B2O3-SrO-CuO glasses, Vibrat Spectrosc 29:2002; 241.
  • Baia L, Gigant K, Posset U, Petry R, Schottner G, Kiefer W and Popp J, Confocal Raman investigations on hybrid polymer coatings, Vibrat Spectrosc 29:2002; 245.
  • Singh RK, Schlücker S, Asthana BP and Kiefer W, Raman investigation of the low-temperature phase transition in a liquid crystalline system: terephthalidine-bis-heptylaniline (TB7A), J Raman Spectrosc 33:2002; 720.
  • Popp J, Tarcea N, Kiefer W, Hilchenbach M, Thomas N, Stuffler T, Hofer S, Stöffler D and Greshake A, The effect of surface texture on the mineralogical analysis of chondritic meteorites using Raman spectroscopy, Planetary and Space Science 50:2002; 865.
  • Gabel F, Müller G, Raether F, Kiefer W, Pannhorst W, Sohr O and Sprengard R, Quantitative characterisation of nuclei formation by Raman spectroscopy of lithium-alumino-silicate glass ceramics doped with titania and zirconia, Phys Chem Glasses 43C:2002; 306.
  • Gigant K, Posset U, Schottner G, Baia L, Kiefer W and Popp J, Inorganic-Organic Cross-Linking in UV Curable Hard Coats Based upon Vinyltriethoxysilane-Tetraethoxysilane-Polyfunctional Acrylate Hybrid Polymers: A Raman Spectroscopic Study, J Sol-Gel Science and Technology 26:2003; 369.
  • Maniu D, Iliescu T, Ardelean I, Cinta-Pinzaru S, Tarcea N and Kiefer W, Raman study on B2O3—CaO glasses, J Mol Structure 651–653:2003; 485.
  • Ivanda M, Clasen R, Hornfeck M, Kiefer W, Raman spectroscopy on SiO2 glasses sintered from nanosized particle, J Non-Cryst Solids 322:2003; 46.
  • Baia L, Stefan R, Popp J, Simon S and Kiefer W, Vibrational spectroscopy of highly iron doped B2O3-Bi2O3 glass systems, J Non-Cryst Solids 324:2003; 109.
  • De Waal D and Kiefer W, Raman Investigation of the Low Temperature Phase Transitions in Monoclinic TIReO4, Z Anorg Allg Chem 630:2004; 127.
  • Baia L, Bolboaca M, Kiefer W, Yousef ES, Ruessel C, Breitbarth FW, Mayerhoefer TG, Popp J, Spectroscopic studies on the structure of vanadium tellurite glasses, Physics and Chemistry of Glasses 45:2004; 178.
  • Baia L, Stefan R, Kiefer W and S Simon, Structural characteristics of B2O3-Bi2O3 glasses with high transition metal oxide content, J Raman Spectrosc 36:2005; 262.
  • Lu A-H, Schmidt W, Tatar SD, Spliethoff B, Popp J, Kiefer W, Schüth F, Formation of amorphous carbon nanotubes on ordered mesoporous silica support, Carbon 43:2005; 1811.
  • Baia L, Simon S, Kiefer W, Infrared and Raman structural investigations of Bi2O3-PbO-B2O3 glasses, Phys Chem Glasses 46:2005; 279.
  • Radu A, Baia L, Kiefer W, Simon S, The influence of manganese cations on the structure of lead high bismuthate glasses and glass ceramics, Vibrational Spectrosc 39:2005; 127.
  • Lu A-H, Schmidt W, Kiefer W, Schueth F, High surface area mesoporous SiC synthesized via nanocasting and carbothermal reduction process, J Materials Science 40:2005; 5091.
  • STUDIES ON II-VI SEMICONDUCTOR MICROSTRUCTURES
  • Bischof T, Ivanda M, Lermann G, Materny A, Kiefer W and Kalus J, Linear and Nonlinear Raman Studies on CdSxSe1−x Doped Glasses, J Raman Spectrosc 27:1996; 297.
  • Lermann G, Bischof T, Materny A, Kiefer W, Kümmell T, Bacher G, Forchel A and Landwehr G, Resonant Micro-Raman Investigations of the ZnSe-LO Splitting in II-VI-Semiconductor Quantum Wires, J Appl Phys 81:1997; 1446.
  • Ivanda M, Bischof T, Lermann G, Materny A and Kiefer W, Resonance Effects in Photoluminescence from Deep Traps in CdSxSe1−x Doped Glasses, J Appl Phys 82:1997; 3116.
  • Gorski N, Kunze B, Kalus J, Bischof T, Kiefer W, Wiedenmann A, The shape of Se-precipitates in a CdSxSe1−x doped glass, Ber Bunsen Phys Chem 101:1997; 1552.
  • Lermann G, Bischof T, Materny A, Kiefer W, Kümmell T, Bacher G, Forchel A and Landwehr G, Wire Width Dependence of the LO-Phonon Splitting and Photoluminescence Energy in ZnSe/Cd0.35 Zn0.65 Se Quantum Wires, Phys Rev B 56:1997; 7469.
  • Ptatschek V, Schreder B, Herz K, Hilbert U, Ossau W, Schottner G, Rahäuser O, Bischof T, Lermann G, Materny A, Kiefer W, Bacher G, Forchel A, Suh K, Giersig M, Müller G and Spanhel L, Sol-Gel Synthesis and Spectroscopic Properties of Nanocrystalline CdSe-Films, J Phys Chem B 101:1997; 8898.
  • Lermann G, Bischof T, Schreder B, Materny A, Kiefer W, Kümmell T, Bacher G, Forchel A and Landwehr G, Raman Spectroscopy on CdZnSe/ZnSe Quantum Wires, Ber Bunsenges Phys Chem 101:1997; 1665.
  • Bischof T, Lermann G, Schreder B, Materny A, Kiefer W and Ivanda M, Intensity-Dependent Micro Raman and Photoluminescence Investigations on CdSx Se1−x Nanocrystallites, J Opt Soc Am B 14:1997; 3334.
  • Lermann G, Bischof T, Schreder B, Materny A, Schwoerer H, Kiefer W T Kümmell, Bacher G, Forchel A and Landwehr G, Strain studies on Cdx Zn1−x Se/ZnSe quantum wires by micro resonance Raman spectroscopy, J Cryst Growth 184/185:1998; 1330.
  • Kümmell T, Bacher G, Forchel A, Lermann G, Kiefer W, Jobst B, Hommel D and Landwehr G, Size dependence of strain relaxation and lateral quantization in deep etched Cdx Zn1−x Se/ZnSe quantum wires, Phys Rev B 57:1998; 15439.
  • Bischof T, Lermann G, Materny A and Kiefer W, Spectral Line Shape Analysis of Four-Wave Mixing Spectra and its Application to Quasi-Zero-Dimensional II-VI Semiconductor Crystallites, J Raman Spectrosc 30:1999; 453.
  • Ivanda M, Music S, Gotic M, Desnica UV, Tonejc AM, Bischof T and Kiefer W, The effects on crystal size on the Raman spectra of nanophased CdSxSe1−x, TiO2 and GaAs, Functional Materials 6:1999; 530.
  • Schreder B, Bischof T, Lermann G, Waltner P, Materny A, Kiefer W, Bacher G, Forchel A, Landwehr G, Spanhel L, Linear and Nonlinear Raman Spectroscopy on II-VI Semiconductor Quantum Wires and Dots, Chin J Light Scattering 11:2000; 387.
  • Schreder B, Schmidt T, Ptatschek V, Winkler U, Umbach E, Lerch M, Müller G, Kiefer W and Spanhel L, CdTe/CdS-“Core/Shell”-Clusters in Colloids and Films: The Path of Evolution and Thermal Break Up, J Phys Chem B 104:2000; 1677.
  • Kiefer W, Schreder B, Bischof T, Lermann G, Waltner P, Materny A, Bacher G, Forchel A, Landwehr G and Spanhel L, Studies on II-VI Semiconductor Quantum Wires and Quantum Dots by Linear and Nonlinear Raman Spectroscopy, Asian J Physics 9:2000; 129.
  • Schreder B, Materny A, Kiefer W, Kümmell T, Bacher G, Forchel A and Landwehr G, Length Dependence of the LO-Phonon Properties in CdZnSe/ZnSe-Quantum Wires, Solid State Commun 114:2000; 435.
  • Schreder B, Schmidt T, Ptatschek V, Spanhel L, Materny A and Kiefer W, Raman Characterization of CdTe/CdS “Core-shell”-Clusters in Colloids and Films, J Crystal Growth 214/215:2000; 782.
  • Schreder B, Kümmell T, Bacher G, Forchel A, Landwehr G, Materny A and Kiefer W, Raman Investigation of CdxZn1−x Se/ZnSe Quantum Wires: Length Dependence of the Strain Relaxation, J Crystal Growth 214/215:2000; 787.
  • Schreder B, Kümmell T, Bacher G, Landwehr G, Materny A and Kiefer W, Resonance Raman Spectroscopy and Excitation Profile of CdxZn1−xSe/ZnSe Quantum Wires, J Crystal Growth 214/215:2000; 792.
  • Waltner P, Materny A and Kiefer W, Phonon Relaxation in CdSSe Semiconductor Quantum Dots Studied by Femtosecond Time-Resolved Resonant Four-Wave Mixing Spectroscopy, J Crystal Growth 214/215:2000; 1160.
  • Schreder B, Materny A, Kiefer W, Kümmell T, Bacher G, Forchel A and Landwehr G, Raman investigation of Cdx Zn1−x/ZnSe quantum wires: Strain relaxation and excitation profile, J Appl Phys 88:2000; 764.
  • Waltner P, Materny A and Kiefer W, Phonon Relaxation in CdSSe Semiconductor Quantum Dots Studied by Femtosecond Time-Resolved Coherent Anti-Stokes Raman Scattering, J Appl Phys 88:2000; 5268.
  • Schreder B, Materny A, Kiefer W, Bacher G, Forchel A and Landwehr G, Resonance Raman Spectroscopy on Strain Relaxed CdZnSe/ZnSe-Quantum Wires, J Raman Spectrosc 31:2000; 959.
  • Schreder B, Dem C, Schmitt M, Materny A, Kiefer W, Winkler U and Umbach E, Raman spectroscopy of II-VI semiconductor nanostructures: CdS quantumdots, J Raman Spectrosc 34:2003; 100.
  • Kulakovskii VD, Babocsi K, Schmitt M, Gippius NA and Kiefer W, Biexciton and spin dephasing effects in quantum dots embedded in a glass matrix proved by four-wave mixing and pump-and-probe spectroscopy, Phys Rev B 67:2003; 113303.
  • Barglik-Chory C, Remenyi C, Dem C, Schmitt M, Kiefer W, Gould C, Rüster C, Schmidt G, Hofmann DM, Pfisterer D and Müller G, Synthesis and characterization of manganese-doped CdS nanoparticles, Phys Chem Chem Phys 5:2003; 1639.
  • Ethiraj AS, Hebalkar N, Kulharni SK, Pasricha R, Urban J, Dem C, Schmitt M, Kiefer W, Weinhardt L, Joshi S, Fink R, Heske C, Kumpf C and Umbach E, Enhancement of photoluminescence in manganese-doped ZnS nanoparticles due to a silica shell, J Chem Phys 118:2003; 8945.
  • Ivanda M, Babocsi K, Dem C, Schmitt M, Montagna M and Kiefer W, Low-wavenumber Raman scattering from CdSx Se1−x quantum dots embedded in a glass matrix, Phys Rev B 67:2003; 235329.
  • Barglik-Chory C, Buchold D, Schmitt M, Kiefer W, Heske C, Kumpf C, Fuchs O, Weinhardt L, Stahl A, Umbach E, Lentze M, Geurts J, Müller G, Synthesis, structure and spectroscopic characterization of water-soluble CdS nanoparticles, Chem Phys Lett 379:2003; 443.
  • STUDIES OF BIOLOGICAL AND BIOCHEMICAL SYSTEMS
  • Hu JM, Liang EJ, Duschek F and Kiefer W, Resonance Raman Spectroscopic Study of Free Bilirubin and Bilirubin Complexes with Copper(II), Silver(I) and Gold(III), Spectrochim Acta Part A 53:1997; 1431.
  • Urlaub E, Popp J, Kiefer W, Bringmann G, Koppler D, Schneider H, Zimmermann U and Schrader B, FT-Raman Spectroscopic Investigation of Alkaloids in the Liana Ancistrocladus Heyneanus, Biospectroscopy 4:1998; 113.
  • Cinta S, Morari C, Vogel E, Maniu D, Aluas M, Iliescu T, Cozar O and Kiefer W, Vibrational studies of B6 vitamin, Vibrat Spectrosc 19:1999; 329.
  • Rösch P, Popp J and Kiefer W, Raman and surface enhanced Raman spectroscopic investigations on Lamiaceae Plants, J Mol Structure 480/481:1999; 121.
  • Vogel E, Geßner R, Hayes M H B and Kiefer W, Characterisation of humic acids by means of SERS, J Mol Structure 482/483:1999; 195.
  • Nissum M, Schlücker S, Funk JM, Popp J and Kiefer W, Symmetry considerations on free-base porphyrins by polarization-sensitive resonance CARS spectroscopy, Asian Chem Lett 4:2000; 91.
  • Hu JM, Moigno D, Kiefer W, Ma J, Chen Q, Wang C, Feng H, Shen J, Niu F and Gu Y, Fourier-transform Raman and infrared spectroscopic analysis of novel biliverdin compounds, Spectrochim Acta A 56:2000; 2365.
  • Hu J, Wang T, Moigno D, Wumaier M, Kiefer W, Mao J, Wu Q, Niu F, Gu Y, Chen Q, Ma J, Feng H, Fourier-transform Raman and infrared spectroscopic analysis of dipyrrinones and mesobilirubins, Spectrochimica Acta A 57:2001; 2737.
  • Cîntã-Pînzaru S, Cavalu S, Leopold N, Petry R and Kiefer W, Raman and surface-enhanced Raman spectroscopy of tempyo spin labelled ovalbumin, J Mol Struct 565/566:2001; 225.
  • Cavalu S, Cîntã-Pînzaru S, Leopold N and Kiefer W, Raman and Surface Enhanced Raman Spectroscopy of 2,2,5,5-Tetramethyl-3-pyrrolin-1-yloxy-3-carboxamide Labeled Proteins: Bovine Serum Albumin and Cytochrome c, Biopolymers 62:2001; 341.
  • Petry R, Craik DJ, Haaima G, Fromme B, Klump H, Kiefer W, Palm D and Millar R, Secondary Structure of the Third Extracellular Loop Responsible for Ligand Selectivity of a Mammalian Gonadotropin-Releasing Hormone Receptor, J Med Chem 45:2002; 1026.
  • Schöller M, Hauck A, Thull R, Steinmeyer R, Hedrich R, Schneider FW, Kiefer W and Popp J, Laser Scanning Microscopy Study on Adsorption of Biologically Relevant Proteins on Implant Materials, Biopolymers (Biospectroscopy) 67:2002; 344.
  • Rösch P, Kiefer W and Popp J, Chemotaxonomy of Mints of Genus Mentha by Applying Raman Spectroscopy, Biopolymers (Biospectroscopy) 67:2002; 358.
  • Cîntã Pînzaru S, Leopold N and Kiefer W, Vibrational spectroscopy of betulinic acid HIV inhibitor and of its birch bark natural source, Talanta 57:2002; 625.
  • Pavel I, Szeghalmi A, Moigno D, Cinta S and Kiefer W, Theoretical and pH Dependent Surface Enhanced Raman Spectroscopy Study on Caffeine, Biopolymers 72:2003; 25.
  • Schmitt M, Leimeister B, Baia L, Weh B, Zimmermann I, Kiefer W and Popp J, Characterization of Diffusion Processes of Pharmacologically Relevant Molecules through Polydimethylsiloxane Membranes by Confocal Micro-resonance Raman Spectroscopy, Chem Phys Chem 2003; p 296.
  • Strehle MA, Jenke F, Fröhlich B, Tautz J, Riederer M, Kiefer W and Popp J, Raman spectroscopic study of spatial distribution of propolis in comb of Apis mellifera carnica (Pollm.), Biopolymers 72:2003; 217.
  • Rösch P, Schmitt M, Kiefer W, Popp J, The identification of microorganisms by micro-Raman spectroscopy, J Mol Structure 661–662:2003; 363.
  • Rösch P, Schneider H, Zimmermann U, Kiefer W, Popp J, In Situ Raman Investigation of Single Lipid Droplets in the Water-Conducting Xylem of Four Woody Plant Species, Biopolymers 74:2004; 151.
  • Rohleder D, Kiefer W and Petrich W, Quantitative analysis of serum and serum ultrafiltrate by means of Raman spectroscopy, The Analyst 129:2004; 906.
  • Frosch T, Küstner B, Schlücker S, Szeghalmi A, Schmitt M, Kiefer W and Popp J, In vitro polarization-resolved resonance Raman studies of the interaction of hematin with the antimalarial drug chloroquine, J Raman Spectrosc 35:2004; 819.
  • Strehle MA, Rösch P, Petry R, Hauck A, Thull R, Kiefer W and Popp J, A Raman spectroscopic study of the adsorption of fibronectin and fibrinogen on titanium dioxide nanoparticles, Phys Chem Chem Phys 6:2004; 5232.
  • Schrader W, Meuer P, Popp J, Kiefer W, Menzebach JU, Schrader B, Non-invasive glucose determination in the human eye, J Mol Structure 735–736:2005; 299.
  • Neugebauer U, Szeghalmi A, Schmitt M, Kiefer W, Popp J, Holzgrabe U, Vibrational spectroscopic characterization of fluoroquinolones, Spectrochimica Acta A 2005; 61: 1505.
  • Rohleder D, Kocherscheidt G, Gerber K, Kiefer W, Köhler W, Möcks J, Petrich W, Comparison of mid-infrared and Raman spectroscopy in the quantitative analysis of serum, J Biomedical Optics 10:2005; 031108.
  • Peica N, Pavel I, Cinta Pinzaru S, Rastogi VK and Kiefer W, Vibrational characterization of E102 food additive by Raman and surface-enhanced Raman spectroscopy and theoretical studies, J Raman Spectrosc 36:2005; 657.
  • Pavel I, Cota S, Cinta-Pinzaru S and Kiefer W, Raman, Surface Enhanced Raman Spectroscopy, and DFT calculations: A Powerful Approach for the Identification and Characterization of 5-Fluorouracil Anticarcinogenic Drug Species, J Phys Chem 109:2005; 9945.
  • THEORETICAL AND EXPERIMENTAL STUDIES OF RESONANCE RAMAN SCATTERING FROM VARIOUS SYSTEMS
  • Kiefer W and Bernstein HJ, Resonance Raman Effect in MnO4 with 5145 Å Laser Excitation, Chem Phys Letters 8:1971; 381.
  • Kiefer W and Bernstein HJ, The Resonance Raman Effect of the Permanganate and Chromate Ions, Mol Phys 23:1972; 835.
  • Kiefer W and Bernstein HJ, The UV-Laser Excited Resonance Raman Spectrum of the I3 -Ion, Chem Phys Letters 16:1972; 5.
  • Kiefer W and Bernstein HJ, Resonance Raman Spectroscopic Study on Iodine in Various Organic Solutions: Spectroscopic Constants and Halfbandwidth of the I2 -Vibration, J Raman Spectrosc 1:1973; 417.
  • Ganz M, Kiefer W, Materny A and Vogt P, Resonance Raman Scattering from Simple Systems: Theory and Experiment, J Mol Structure 266:1992; 115.
  • Materny A and Kiefer W, Theoretical Analysis of the Resonance Raman Spectra of Diacetylene Single Crystals, J Chem Phys 97:1992; 841.
  • Materny A, Kiefer W and Schwoerer M, Absorption, Luminescence, Resonance Raman, and Resonance Coherent anti-Stokes Raman Spectroscopy on Unsymmetrically Substituted Diacetylene Single Crystals with Color Zones, J Chem Phys 97:1992; 2237.
  • Leuchs M, Materny A, Göttges D, Schaschek K and Kiefer W, Absorption, Resonance Raman, and Resonance CARS Investigations on the Permanganate Ion Doped in Potassium Perchlorate Single Crystals at Low Temperatures, J Raman Spectrosc 23:1992; 673.
  • Materny A and Kiefer W, Theoretical Analysis of the Absorption Spectra of Diacetylene Single Crystals with Color Zones, Phys Rev B 46:1992; 2704.
  • Materny A and Kiefer W, Absorption, Luminescence, Resonance Raman, and Resonance CARS Spectroscopy on FBS Diacetylene Single Crystals with Color Zones, Macromolecules 25:1992; 5074.
  • Ganz M, Kiefer W, Leuchs M, Materny A, Strempel J and Vogt P, Linear and Non-linear Resonance Raman Scattering from Simple Systems, Vibrational Spectrosc 5:1993; 1.
  • Leuchs M and Kiefer W, Low temperature absorption and resonance Raman spectra of the MnO4 ion doped in a KClO4 crystal, Phys Rev B 48:1993; 15690.
  • Böhm N, Materny A, Kiefer W, Steins H, Müller MM and Schottner G, Spectroscopic Investigation of the Thermal Cis-Trans Isomerization of Disperse Red 1 in Hybrid Polymers, Macromolecules 29:1996; 2599.
  • Duschek F, Schmitt M, Vogt P, Materny A and Kiefer W, Resonance Raman Scattering in Photodissociating Halomethanes, J Raman Spectrosc 28:1997; 445.
  • EXPERIMENTAL AND THEORETICAL STUDIES APPLYING DIFFERENCE RAMAN SPECTROSCOPY
  • Laane J and Kiefer W, Determination of Frequency Shifts by Raman Difference Spectroscopy, J Chem Phys 72:1980; 5305.
  • Laane J and Kiefer W, Isotopic Dilution Studies of the Chloroform-Chloroform-D System by Raman Difference Spectroscopy, J Chem Phys 73:1980; 4971.
  • Laane J and Kiefer W, Measurement of Solvent Shifts by Raman Difference Spectroscopy, Appl Spectrosc 35:1981; 267.
  • Laane J, Eichele H, Hohenberger HP and Kiefer W, Precise Measurements of Small Isotopic Shifts with Raman Difference Spectroscopy, J Mol Spectrosc 86:1981; 262.
  • Laane J and Kiefer W, Applications of Four-Channel Raman Difference Spectroscopy, Appl Spectrosc 35:1981; 428.
  • Asthana BP and Kiefer W, Deconvolution of the Lorentzian Linewidth and Determination of Fraction Lorentzian Character from the Observed Profile of a Raman Line by a Comparison Technique, Appl Spectrosc 36:1982; 250.
  • Asthana BP, Takahashi H and Kiefer W, Study of Vibrational Dephasing and Frequency Shifts in Hydrogen-Bonded Systems by Four-Channel Raman Difference Spectroscopy, Chem Phys Lett 94:1983; 41.
  • Takahashi H, Asthana BP, Häfner W and Kiefer W, Applications of Four-Channel Raman Difference Spectroscopy to Studies in Hydrogen-Bonded Systems, J Raman Spectrosc 14:1983; 102.
  • Asthana BP, Kiefer W and Knapp EW, The Interdependence of Small Linewidth and Frequency Changes of a Vibration in Liquid Mixture of CDCl3 and CCl4, J Chem Phys 81:1984; 3774.
  • Asthana BP und Kiefer W, Vibrational Line Profile and Frequency Shift Studies by Raman Spectroscopy, Vibrational Spectra and Structure Ed. Durig J R 20:1992; p 67.
  • Deckert V, Asthana BP, Kiefer W, Purucker HG and Laubereau A, Vibrational dephasing and Raman non-coincidence effect of CHBr3 in isotopic dilution, J Raman Spectrosc 31:2000; 805.
  • Schlücker S, Singh RK, Asthana BP, Popp J and Kiefer W, Hydrogen-Bonded Pyridine—Water Complexes Studied by Density Functional Theory and Raman Spectroscopy, J Phys Chem A 105:2001; 9983.
  • Schlücker S, Heid M, Singh RK, Asthana BP, Popp J and Kiefer W, Vibrational Dynamics in Hydrogen-Bonded (Pyridine + Water) Complexes Studied by Spectrally Resolved Femtosecond CARS, Z Phys Chem 216:2002; 267.
  • Raghuvansh (nee Bhriguvansh) P, Srivastava Sunil K, Singh Ranjan K, Asthana BP, and Kiefer W, Hydrogen-bonding and self association investigated in the binary mixture (C6H5 C ≡N + CH3 = H) via concentration dependent Raman study of the C ≡N stretching mode of benzonitrile (C6H5C ≡N) and ab-initio calculations, Phys Chem Chem Phys 6:2004; 531.
  • Ojha AK, Srivastava SK, Koster J, Shukla MK, Leszczynski J, Asthana BP and Kiefer W, Investigation of concentration dependence of wavenumber shifts and linewidth changes of different normal modes of HCONH2 in a binary mixture (HCONH2 + CH3 OH) by Raman spectroscopy and ab-initio calculations, J Mol Structure 689:2004; 127.
  • Ojha AK, Srivastava SK, Peica N, Schlücker S, Kiefer W, Asthana BP, Concentration dependent wavenumber shifts and linewidth changes of some prominent vibrational modes of C4H8O investigated in a binary system (C4H8O + H2O) by polarized Raman study and ab initio calculations, J Mol. Structure 735–736:2005; 349.
  • Srivastava SK, Ojha AK, Kiefer W, Asthana BP, Investigation of ν(N—H) and ν(C—N) stretching modes of propylamine (C3H7NH2) in a binary system C3H7NH2 + CH3OH via concentration dependent Raman study and ab initio calculations, Spectrochimica Acta A 61:2005; 2832.
  • THEORETICAL AND EXPERIMENTAL STUDIES OF RAMAN-MIE-SCATTERING
  • Thurn R and Kiefer W, Observations of Structural Resonances in the Raman Spectra of Optically Levitated Dielectric Microspheres, J Raman Spectrosc 15:1984; 411.
  • Thurn R and Kiefer W, Structural Resonances Observed in the Raman Spectra of Optically Levitated Liquid Droplets, Appl Optics 24:1985; 1515.
  • Kiefer W, Micro-Raman Spectroscopy of Particles in the Mie-size Range: A Short Review, Croat Chem Acta 61:1988; 473.
  • Schaschek K, Popp J and Kiefer W, Observation of Morphology Dependent Input and Output-Resonances in Time Dependent Raman Spectra of Optically Levitated Micro-Droplets, J Raman Spectrosc 24:1993; 69.
  • Schaschek K, Popp J and Kiefer W, Morphology Dependent Resonances in Raman Spectra of Optically Levitated Microparticles: Determination of Radius and Evaporation Rates of Single Glycerol/Water Droplets by Means of Internal Mode Assignment, Ber Bunsenges Phys Chem 97:1993; 1007.
  • Lankers M, Popp J and Kiefer W, Raman and Fluorescence Spectra of Single Optically Trapped Microdroplets in Emulsions, Appl Spectrosc 48:1994; 1166.
  • Urlaub E, Lankers M, Hartmann I, Popp J, Trunk M and Kiefer W, Raman investigation of styrene polymerization in single optically trapped emulsion particles, Chem Phys Lett 231:1994; 511.
  • Lankers M, Popp J, Urlaub E, Stahl H, Rößling G and Kiefer W, Investigations of multiple component systems by means of optical trapping and Raman spectroscopy, J Mol Structure 348:1995; 265.
  • Popp J, Trunk M, Hartmann I, Lankers M and Kiefer W, Characterization of the interaction between morphology dependent in- and output resonances in laser trapped microparticles, J Mol Structure 348:1995; 281.
  • Popp J, Lankers M, Schaschek K, Kiefer W and Hodges JT, Observation of Sudden Temperature Jumps in Optically Levitated Microdroplets due to Morphology Dependent Input Resonances, Appl Opt 34:1995; 2380.
  • Hartmann I, Popp J, Lankers M, Trunk M and Kiefer W, Theory for morphology dependent resonances in the Raman spectra of optically levitated dielectric microspheres, J Mol Structure 349:1995; 203.
  • Kiefer W, Lankers M, Popp J, Trunk M and Urlaub E, Physics and Chemistry in Laser Trapped Single Microparticles Studied by Light Scattering, Chin J Light Scattering 7:1995; 65.
  • Trunk M, Popp J, Hartmann I, Lankers M, Urlaub E and Kiefer W, Chemical Composition and Reaction Analysis of Single Aerosol Particles, Fresenius J Anal Chem 355:1996; 354.
  • Trunk M, Popp J, Musick J and Kiefer W, Investigations of Ammonium Salt Aerosols by Means of Optical Levitation and Elastical/Inelastical Light Scattering, J Aerosol Science 27:1996; S509.
  • Musick J, Popp J, Trunk M and Kiefer W, Polymerization and Copolymerization Reaction Observed in Optically Levitated Aerosol Particles, J Aerosol Science 27:1996; S561.
  • Trunk M, Popp J, Lankers M and Kiefer W, Microchemistry: time dependence of an acid-base reaction in a single, optically levitated microdroplet, Chem Phys Lett 264:1997; 233.
  • Trunk M, Lübben JF, Popp J, Schrader B and Kiefer W, Investigation of a phase transition in a single optically levitated microdroplet by Raman-Mie scattering, Applied Optics 36:1997; 3305.
  • Kiefer W, Popp J, Lankers M, Trunk M, Hartmann I, Urlaub E and Musick J, Raman-Mie scattering from single laser trapped microdroplets, J Mol Structure 408/409:1997; 113.
  • Popp J, Hartmann I, Lankers M, Trunk M and Kiefer W, Raman Scattering from Optically Levitated Microdroplets: Influence of Input Resonances on Output Resonances, Ber Bunseng Phys Chem 101:1997; 809.
  • Popp J, Trunk M, Lankers M, Hartmann I, Schaschek K and Kiefer W, Observability of Morphology Dependent Output Resonances in the Raman Spectra of Optically Levitated Microdroplets, J Raman Spectrosc 28:1997; 531.
  • Hartmann I, Lankers M, Popp J, Trunk M, Urlaub E and Kiefer W, Simulation of morphology dependent resonances in the Raman spectra of optically levitated microspheres, J Raman Spectrosc 28:1997; 547.
  • Popp J, Lankers M, Trunk M, Hartmann I, Urlaub E and Kiefer W, High-Precision Determination of Size, Refractive Index, and Dispersion of Single Microdroplets from Morphology-Dependent Resonances in Optical Processes, Appl Spectrosc 52:1998; 284.
  • Trunk M, Popp J and Kiefer W, Investigations of the composition changes of an evaporating, single binary-mixture microdroplet by inelastic and elastic light scattering, Chem Phys Lett 284:1998; 377.
  • Musick J, Popp J, Trunk M and Kiefer W, Investigations of Radical Polymerization and Copolymerization Reactions in Optically Levitated Microdroplets by Simultaneous Raman Spectroscopy, Mie Scattering, and Radiation Pressure Measurements, Appl Spectrosc 52:1998; 692.
  • Musick J, Popp J and Kiefer W, Raman spectroscopic and elastic light scattering investigations of chemical reactions in single electrodynamically levitated microparticles, J Mol Structure 480/481:1999; 317.
  • Roman VE, Popp J, Urlaub E, Schlücker S, Lankers M, Rößling G and Kiefer W, Raman spectroscopic investigation of polycyanacrylate capsules, J Mol Structure 482/483:1999; 497.
  • Musick J, Popp J and Kiefer W, Observation of a phase transition in an electrodynamically levitated NH4NO3 microparticle by Mie and Raman scattering, J Raman Spectrosc 31:2000; 217.
  • Sbanski O, Roman VE, Kiefer W and Popp J, Elastic light scattering from single micro-particles on a femtosecond time scale, J Opt Soc Am A 17:2000; 313.
  • Sbanski O, Kiefer W, Popp J, Lankers M and G Rößling, Sizing of polymer-coated spherical air bubbles, Appl Spectrosc 54:2000; 1075.
  • Musick J, Kiefer W and Popp J, Chemical Reactions of Single Levitated Inorganic Salt Particles with Ammonia Gas, Applied Spectroscopy 54:2000; 1136.
  • Sbanski O, Roman VE, Kiefer W and Popp J, Morphology-dependent Resonances in a Dielectric Microsphere and Femtosecond Laser Pulses, J Chin Chem Soc 47:2000; 863.
  • Schlücker S, Roman VE, Kiefer W and Popp J, Detection of Pesticide Model Compounds in Ethanolic and Aqueous Microdroplets by Nonlinear Raman Spectroscopy, Anal Chem 73:2001; 3146.
  • Baia L, Gigant K, Posset U, Schottner G, Kiefer W and Popp J, Confocal Micro-Raman Spectroscopy: Theory and Application to a Hybrid Polymer Coating, Appl Spectrosc 56:2002; 536.
  • Siebert T, Sbanski O, Schmitt M, Engel V, Kiefer W and Popp J, The mechanism of light storage in spherical microcavities explored on a femtosecond time scale, Opt Commun 216:2003; 321.
  • SURFACE ENHANCED RAMAN SCATTERING
  • Kneipp K, Roth E, Engert C and Kiefer W, Near-Infrared Excited Surface Enhanced Raman Scattering of Rhodamine 6G on Colloidal Silver, Chem Phys Lett 207:1993; 450.
  • Liang EJ, Engert C and Kiefer W, Surface Enhanced Raman Scattering of Pyridine in Silver Colloids Excited in the Near Infrared Region, J Raman Spectrosc 24:1993; 775.
  • Liang EJ, Engert C and Kiefer W, Surface Enhanced Raman Spectroscopy of p-aminobenzoic Acid with Excitation in the Visible and Near Infrared Spectral Region, Vibrational Spectrosc 6:1993; 79.
  • Liang EJ, Göttges D and Kiefer W, Surface Enhanced Resonance Raman Spectroscopy of Flavins on Silver Nitrate Modified Cu and Fe as well as Cu-Zn-Pb and Fe-C-Cr-Ni Surfaces, Appl Spectrosc 48:1994; 1088.
  • Roth E and Kiefer W, Surface Enhanced Raman Spectroscopy as Detection Method in Gas Chromatography, Appl Spectrosc 48:1994; 1193.
  • Liang EJ, Engert C and Kiefer W, Surface-Enhanced Raman Scattering of Halide Ions, Pyridine and Crystal Violet on Colloidal Silver with Near-Infrared Excitation: Low Wavenumber Vibrational Modes, Vibrat Spectrosc 8:1995; 435.
  • Roth E, Engert C and Kiefer W, Laser induced changes of SERS spectra on electrochemically roughened silver surfaces, J Mol Structure 349:1995; 89.
  • Liang EJ, Yang YH and Kiefer W, Surface-enhanced Raman spectra of fulvic and humic acids on silver-nitrate-modified Fe-C-Cr-Ni surface, J Environ Sci Health A 31:1996; 2477.
  • Liang EJ and Kiefer W, Chemical Effect of SERS with Near-Infrared Excitation, J Raman Spectrosc 27:1996; 879.
  • Liang EJ, Yang YH and Kiefer W, Surface-Enhanced Raman Scattering of Naturally Occuring Humic Substances, Chin J Light Scattering 9:1997; 305.
  • Liang EJ, Ye XL and Kiefer W, Interaction of Halide and Halate Ions with Colloidal Silver and their Influence on SERS of Pyridine with Near-Infrared Excitation, Vibrational Spectrosc 15:1997; 69.
  • Liang EJ, Ye XL and Kiefer W, Surface Enhanced Raman Spectroscopy of Crystal Violet in the Presence of Halide and Halate Ions with NIR Wavelength Excitation, J Phys Chem A 101:1997; 7330.
  • Cinta S, Vogel E, Maniu D, Iliescu T and Kiefer W, Surface Enhanced Raman Scattering of PP Vitamin on Different Au and Ag Surfaces, Balkan Phys Lett 5:1997; 171.
  • Cinta S, Venter M, Kiefer W, Scholz P, Iliescu T and Cozar O, SERS of the New Triphenyl-phosphin-Copper(I) Triazenido Complexes, Balkan Phys Lett 5:1997; 317.
  • Vogel E, Kiefer W, Deckert V and Zeisel D, Laser Deposited Silver Island Films: An Investigation of their Structure, Optical Properties and SERS Activity, J Raman Spectrosc 29:1998; 693.
  • Vogel E and Kiefer W, Investigation of the metal adsorbate interface of the systems silver coumarin and silver hydrocoumarin by means of surface enhanced Raman spectroscopy, Fresenius J Anal Chem 361:1998; 628.
  • Loo BH, Lee YG, Liang EJ and Kiefer W, Surface enhanced Raman scattering from ferrocyanide and ferricyanade on silver and copper colloids, Chem Phys Lett 297:1998; 83.
  • Cinta S, Venter M, Iliescu T, Cozar O, Haiduc I and Kiefer W, SERS Application in Elucidation of the Nature of Homologue Cu(I) Triazenido Complexes, Vibrat Spectrosc 19:1999; 223.
  • Vogel E, Meuer P, Kiefer W, Urlaub R and Thull R, Investigation of organically modified titanium substrates with SERS, J Mol Structure 482/483:1999; 241.
  • Liang EJ, Yang Y and Kiefer W, Surface enhanced Raman spectra of fulvic and humic acids adsorbed on copper electrodes, Spectroscopy Letters 32:1999; 689.
  • Cinta S, Vogel E, Maniu D, Iliescu T and Kiefer W, SERS Mechanisms of the Vitamin PP on Different Au and Ag Substrates, J Mol Structure 482/483:1999; 679.
  • Cinta S, Iliescu T, Astilean S, David L, Cozar O and Kiefer W, 1,4-Benzodiazepine Drugs Adsorption on the Ag Colloid Surface, J Mol Structure 482/483:1999; 685.
  • Pavel I, Cinta S, Venter M, Deak A, Haiduc I, Rösch P, Cozar O, Iliescu T and Kiefer W, Vibrational Behavior of Transition Metal Cupferronato Complexes: Raman and SERS Studies on the Nickel(II) Cupferronato Complexes, Vibrational Spectrosc 23:2000; 71.
  • Iliescu T, Cinta S and Kiefer W, FT-Raman and SERS spectra of Rivanol in silver sol, Talanta 53:2000; 121.
  • Vogel E and Kiefer W, Investigation of SERS activity of binary Ag-Ni films, Asian J Physics 9:2000; 841.
  • Pavel I, Moigno D, Cîntã S and Kiefer W, Surface Enhanced Raman Spectroscopy and Theoretical Studies on 1,4-Dihydrazinophthalazine sulfate, J Phys Chem A 106:2002; 3337.
  • Iliescu T, Irimie FD, Bolboaca M, Paisz C and Kiefer W, Surface enhanced Raman spectroscopy of 5-(4-fluor-phenyl)-furan-2-carbaldehide adsorbed on silver colloid, Vibrat Spectrosc 29:2002; 251.
  • Iliescu T, Bolboaca M, Pacurariu R, Maniu D and Kiefer W, Raman spectroscopy, surface-enhanced Raman spectroscopy and density functional theory studies of 2-formylfuran, J Raman Spectrosc 34:2003; 705.
  • Bolboaca M, Iliescu T, Kiefer W, Infrared absorption, Raman, and SERS investigations in conjunction with theoretical simulations on a penothiazine derivative, Chem Phys 298:2004; 87.
  • Iliescu T, Baia M, Kiefer W, FT-Raman, surface-enhanced Raman spectroscopy and theoretical investigations of diclofenac sodium, Chem Phys 298:2004; 167.
  • Cinta Pinzaru S, Pavel I, Leopold N, and Kiefer W, Identification and characterization of pharmaceuticals using Raman and surface-enhanced Raman scattering, J Raman Spectrosc 35:2004; 338.
  • Cinta-Pinzaru S, Leopold N, Pavel I, Kiefer W, Raman, SERS and theoretical studies of papaverine hydrochloride and its neutral species, Spectrochimica Acta A 60:2004; 2021.
  • Leopold N, Baena JR, Bolboaca M, Cozar O, Kiefer W, Lendl B, Raman, IR, and surface-enhanced Raman spectroscopy of papaverine. An automated setup for in situ synthesis of the silver substrate and recording of the SER spectra, Vibrat Spectrosc 36:2004; 47.
  • Baia M, Baia L, Kiefer W, Popp J, Surface-Enhanced Raman Scattering and Density Functional Theoretical Study of Anthranil Adsorbed on Colloidal Silver Particles, J Phys Chem B 108:2004; 17491.
  • Szeghalmi AV, Leopold L, Pinzaru S, Chis V, Silaghi-Dumitrescu I, Schmitt M, Popp J, Kiefer W, Adsorption of 6-mercaptopurine and 6-mercaptopurine riboside on silver colloid: a pH dependent surface enhanced Raman spectroscopy and density functional theory study. Part I. 6-Mercaptopurine, J Mol Structure 735–736:2005; 103.
  • Szeghalmi AV, Leopold L, Pinzaru S, Chis V, Silaghi-Dumitrescu I, Schmitt M, Popp J, Kiefer W, Adsorption of 6-Mercaptopurine and 6-Mercaptopurine-Riboside on Silver Colloid: A pH-Dependent Surface-Enhanced Raman Spectroscopy and Density Functional Theory Study. Part II. 6-Mercaptopurine-Riboside, Biopolymers 78:2005; 298.
  • Leopold N, Cinta-Pinzaru S, Baia M, Antonescu E, Cozar O, Kiefer W, Popp J, Raman and surface-enhanced Raman study of thiamine at different pH values, Vibrational Spectrosc. 39:2005; 169.
  • STUDIES ON SINGLET OXYGEN
  • Adam W, Briviba K, Duschek F, Golsch D, Kiefer W and Sies H, Formation of Singlet Oxygen in the Deoxygenation of Heteroarene N-Oxides by Dimethyldioxirane, J Chem Soc Chem Comm 1995; p 1831.
  • Nagel V, Duschek F, Kiefer W, Görth F, Golsch D, Adam W, Ferrer M and Messeguer A, Detection of Singlet Oxygen During Several Organic Reactions by Chemiluminescence Spectroscopy, Asian J Spectrosc 2:1998; 35.
  • Ferrer M, Sanchez-Baeza F, Messeguer A, Adam W, Golsch D, Görth F, Kiefer W and Nagel V, The release of singlet oxygen in the reaction of dioxiranes with Amine N-Oxides, Eur J Org Chem 4:1998; 2527.
  • Adam W, Kazakov DV, Kazakov VP, Kiefer W, Latypova RR, and Schlücker S, Singlet-oxygen generation in the catalytic reaction of dioxiranes with nucleophilic anions, Photochem Photobiol Sci 3:2004; 182.
  • HIGH PRESSURE STUDIES
  • Backer M, Häfner W and Kiefer W, Raman Studies of Pressure-Induced Frequency Shifts in d0- and d8- Naphthalene, J Raman Spectrosc 13:1982; 247.
  • Häfner W and Kiefer W, Raman Spectroscopic Investigations on Molecular Crystals: Pressure and Temperature Dependence of External Phonons in Naphthalene-D8 and Anthracene- D10, J Chem Phys 86:1987; 4582.
  • ELECTRONIC RAMAN SCATTERING
  • Ganz M and Kiefer W, Observation of Hyperfine Structure in the Electronic Raman Spectrum of Atomic Iodine, Chem Phys Lett 188:1992; 395.
  • Ganz M and Kiefer W, Hyperfine Structure in the Electronic Raman Spectrum of 79Br and 81Br, Asian J Phys 1:1992; 1.
  • Ganz M, Vogt P, Deckert V and Kiefer W, Electronic Raman Scattering from Halogen Atoms in the Gaseous Phase, Phys Lett A 187:1994; 317.
  • Ganz M and Kiefer W, Observation of Hyperfine Structure in the Electronic Raman Spectrum of Atomic Iodine, Chem Phys Lett 188:1992; 395.
  • Ganz M and Kiefer W, Hyperfine Structure in the Electronic Raman Spectrum of 79Br and 81Br, Asian J Phys 1:1992; 1.
  • Ganz M, Vogt P, Deckert V and Kiefer W, Electronic Raman Scattering from Halogen Atoms in the Gaseous Phase, Phys Lett A 187:1994; 317.
  • THEORETICAL AND EXPERIMENTAL STUDIES OF NON-LINEAR RAMAN AND OTHER FOUR-WAVE MIXING SPECTROSCOPIES
  • Nitsch W and Kiefer W, High Resolution Pulsed CARS Spectroscopy of the Q-Branches of Some Simple Gases, Optics Commun 23:1977; 240.
  • Nitsch W and Kiefer W, CARS Spectroscopy with a Pulsed Dye-Laser System, J Mol Structure 45:1978; 343.
  • Laane J and Kiefer W, Interference Effects in the High Resolution CARS Spectra of Gases, J Raman Spectrosc 9:1980; 353.
  • Beckmann A, Fietz H, Kiefer W and Laane J, Coherent anti-Stokes Raman Spectroscopy Studies of Nitric Oxide, Phys Rev A 24:1981; 2518.
  • Beckmann A, Fietz H, Baierl P and Kiefer W, Observation of Coherent anti-Stokes Continuum Resonance Raman Scattering in Iodine Vapor. Chem Phys Letters 86:1982; 140.
  • Fietz H, Beckmann A, Kiefer W and H Wieser, Application of Medium High-Resolution CARS: The Interaction of Ring-Puckering, Vibrations with Other Fundamentals in Four-Membered Ring Molecules, Chem Phys Letters 87:1982; 491.
  • Beckmann A, Baierl P, Fietz H and Kiefer W, Coherent anti-Stokes Continuum Resonance Raman Scattering in Iodine Vapor, Appl Phys B 28:1982; 220.
  • Kiefer W and Beckmann A, Non-Linear Coherent Raman Spectroscopy, J Mol Structure 113:1984; 83.
  • Beckmann A, Baierl P and W Kiefer, Theory of Coherent anti-Stokes Continuum Resonance Raman Scattering in Diatomic Molecules, J Raman Spectrosc 17:1986; 107.
  • Baierl P, Beckmann A and Kiefer W, Theory of Coherent anti-Stokes Continuum Resonance Raman Scattering, J Mol Structure 142:1986; 493.
  • Materny A, Leuchs M, Michelis T, Schaschek K and Kiefer W, Resonance CARS Spectroscopy on Diacetylene Single Crystals, J Raman Spectrosc 23:1992; 99.
  • Gumbel J and Kiefer W, Degenerate Four Wave Mixing Spectroscopy in Iodine Vapor, Chem Phys Lett 189:1992; 231.
  • Materny A and Kiefer W, Theoretical Analysis of the Resonance CARS Spectra of Diacetylene Single Crystals, J Raman Spectrosc 23:1992; 595.
  • Materny A and Kiefer W, Effect of Homogeneous and Inhomogeneous Broadening on Resonance CARS Excitation Profiles, J Raman Spectrosc 23:1992; 605.
  • Weippert A and Kiefer W, CARS Difference Spectroscopy: I—Theory for Binary Mixtures, J Raman Spectrosc 23:1992; 707.
  • Weippert A and Kiefer W, CARS Difference Spectroscopy: II—Determination of Small Frequency Shifts and Band Width Changes in Binary Mixtures, J Raman Spectrosc 23:1992; 713.
  • Gumbel J and Kiefer W, Effects of Absorption on Degenerate Four-Wave Mixing in Iodine Vapor, J Opt Soc Am B 9:1992; 2206.
  • Materny A, Leuchs M and Kiefer W, Resonance CARS in Solids, Il Nuovo Cimenti 14D:1992; 989.
  • Leuchs M and Kiefer W, Excitation profile of coherent anti-Stokes Raman scattering from the MnO4 ion doped in a KClO4 crystal at low temperature, J Chem Phys 99:1993; 6302.
  • Bischof T and Kiefer W, Resonance CARS Studies on Acridine in the Electronic Excited T1 State, J Raman Spectrosc 25:1994; 565.
  • Liang EJ, Weippert A, Funk JM, Materny A and Kiefer W, Experimental Observation of Surface Enhanced Coherent anti-Stokes Raman Scattering, Chem Phys Lett 227:1994; 115.
  • Schenk M and Kiefer W, Resonance Coherent anti-Stokes Raman Spectroscopy of Iodine in Solution, J Chem Phys 105:1996; 2177.
  • Hadjichristov GB, Petkov I, Deligeorgiev T, Funk JM, Bischof T and Kiefer W, Resonance CARS spectroscopy of 2-phenylbenzothiazoles in PMMA matrix, J Mol Structure 443:1998; 17.
  • Hadjichristov GB, Kirov N, Materny A and Kiefer W, Two-photon resonance four-wave mixing for the study of permanent molecular dipoles, J Raman Spectrosc 29:1998; 283.
  • Roman VE, Popp J, Fields M and Kiefer W, Species Identification of Multicomponent Microdroplets by Seeding Stimulated Raman Scattering, J Opt Soc Am B 16:1999; 370.
  • Roman VE, Popp J, Fields MH and Kiefer W, Minority Species Detection in Aerosols Using Stimulated Anti-Stokes Raman Scattering and External Seeding, Appl Optics 38:1999; 1418.
  • Nissum M, Funk JM and Kiefer W, Polarization Sensitive Resonance CARS Spectroscopy of Magnesium Octaethylporphine, J Raman Spectrosc 30:1999; 605.
  • Chen T, Vierheilig A, Waltner P, Kiefer W and Materny A, The relaxation process of the excitonic states in polydiacetylene studied by time- and wavenumber-resolved femtosecond CARS, Chem Phys Lett 325:2000; 176.
  • Asthana BP, Deckert V, Shukla MK and Kiefer W, Isotopic dilution study of self association in (CH3CN + CD3CN) mixture by scanning multi-channel Raman difference technique and ab-initio calculations, Chem Phys Lett 326:2000; 123.
  • Funk JM, Schmitt U, Kiefer W and Materny A, Experimental and theoretical coherent anti-Stokes Raman scattering studies on triplet excited anthracene, J Raman Spectrosc 31:2000; 743.
  • Heid M, Chen T, Schmitt U and Kiefer W, Spectrally resolved fs-CARS as a probe of the vibrational dynamics of a large polyatomic molecule: magnesium octaethylporphin, Chem Phys Lett 334:2001; 119.
  • Funk JM, Eichhorn C, Kiefer W and Materny A, Nanosecond time-resolved resonance CARS spectroscopy of triplet excited polycyclic aromatic compounds, Spectrosc Lett 36:2003; 1.
  • Pestov D, Zhi M, Sariyanni Z-E, Kalugin NG, Kolomenskii AA, Murawski R, Paulus GG, Sautenkov VA, Schuessler H, Sokolov AV, Welch GR, Rostovtsev YV, Siebert T, Akimov DA, Graefe S, Kiefer W and Scully MO, Visible and UV coherent Raman spectroscopy of dipicolinic acid, Proc. of the National Academy of Sciences of the USA 102:2005; 14976.
  • TIME-RESOLVED FEMTOSECOND FOUR-WAVE-MIXING SPECTROSCOPY: EXPERIMENT, THEORY AND APPLICATIONS
  • Schmitt M, Knopp G, Materny A and Kiefer W, Femtosecond time-resolved coherent anti-Stokes Raman scattering for the simultaneous study of ultrafast ground and excited state dynamics: iodine vapour, Chem Phys Lett 270:1997; 9.
  • Kiefer W, Knopp G, Materny A, Pausch R, Schmitt M and Schwoerer H, Femtosecond Spectroscopy on Simple Molecular Systems: Pump-Probe and CARS Techniques, Chin J Light Scattering 9:1997; 45.
  • Knopp G, Schmitt M, Materny A and Kiefer W, Femtosecond time-resolved pump-probe spectroscopy of NaI in rare gas environment, J Phys Chem A 101:1997; 4852.
  • Schmitt M, Knopp G, Materny A and Kiefer W, Femtosecond time-resolved four-wave mixing spectroscopy in iodine vapour, Chem Phys Lett 280:1997; 339.
  • Schwoerer H, Pausch R, Heid M, Engel V and Kiefer W, Femtosecond time-resolved two-photon ionization spectroscopy of K2, J Chem Phys 107:1997; 9749.
  • Meyer S, Schmitt M, Materny A, Kiefer W and Engel V, A theoretical analysis of the time-resolved femtosecond CARS spectrum of I2, Chem Phys Lett 281:1997; 332 and 287:1998; 753.
  • Schwoerer H, Pausch R, Heid M and Kiefer W, Femtosecond vibrational wavepacket spectroscopy in the electronic ground state of K2, Chem Phys Lett 285:1998; 240.
  • Schmitt M, Knopp G, Materny A and Kiefer W, The Application of Femtosecond Time-Resolved Coherent Anti-Stokes Raman Scattering for the Investigation of Ground and Excited State Molecular Dynamics of Molecules in the Gas Phase, J Phys Chem A 102:1998; 4059.
  • Rubner O, Schmitt M, Knopp G, Materny A, Kiefer W and Engel V, Femtosecond time-resolved CARS spectroscopy on binary gas phase mixtures: a theoretical and experimental study of the benzene/toluene system, J Phys Chem A 102:1998; 9734.
  • Chen T, Engel V, Heid M, Kiefer W, Knopp G, Materny A, Meyer S, Pausch R, Schmitt M, Schwoerer H and Siebert T, Femtosecond Pump-Probe and Four-Wave Mixing Spetroscopies Applied to Simple Molecules, Vibrational Spectrosc 19:1999; 23.
  • Pausch R, Heid M, Chen T, Kiefer W and Schwoerer H, Selective generation and control of excited vibrational wavepackets in the electronic ground state of K2, J Chem Phys 110:1999; 9560.
  • Chen T, Engel V, Heid M, Kiefer W, Knopp G, Materny A, Meyer S, Pausch R, Schmitt M, Schwoerer H and Siebert T, Determination of wave packet dynamics by femtosecond time-resolved pump-dump-probe and four-wave mixing techniques, J Mol Structure 480/481:1999; 33.
  • Vierheilig A, Chen T, Waltner P, Kiefer W, Materny A and Zewail A, Femtosecond dynamics of ground state vibrational motion and energy flow: polymers of diacetylene, Chem Phys Lett 312:1999; 349.
  • Meyer S, Schmitt M, Materny A, Kiefer W and Engel V, Simulation of femtosecond time-resolved four-wave mixing experiments on I2, Chem Phys Lett 301:1999; 248.
  • Kiefer W, Femtosecond Coherent Raman Spectroscopy, J Raman Spectrosc (Special Issue) 31:2000; 3.
  • Pausch R, Heid M, Chen T, Schwoerer H and Kiefer W, Quantum Control by Stimulated Raman Scattering, J Raman Spectroscopy 31:2000; 7.
  • Siebert T, Schmitt M, Vierheilig A G Flachenecker, Materny A and Kiefer W, Separation of Vibrational and Rotational Coherense with Polarized Femtosecond Time-Resolved Four-Wave Mixing Spectroscopy, J Raman Spectroscopy 31:2000; 25.
  • Chen T, Vierheilig A, Waltner P, Heid M, Kiefer W and Materny A, Femtosecond laser controlled selective excitation of vibrational modes on a multidimensional ground state potential energy surface, Chem Phys Lett 326:2000; 375.
  • Materny A, Chen T, Schmitt M, Siebert T, Vierheilig A, Engel V and Kiefer W, Wave packet dynamics in different electronic states investigated by femtosecond time-resolved four-wave mixing spectroscopy, Appl Phys B 71:2000; 299.
  • Heid M, Chen T, Pausch R, Schwoerer H and Kiefer W, Ultrafast Coherent Control in the Electronic Ground State of a Molecule: A Short Review, J Chin Chem Soc 47:2000; 637.
  • Shen ZW, Chen T, Heid M, Kiefer W and Engel V, Selective preparation of ground state wavepackets: a theoretical analysis of femtosecond pump-dump-probe experiments on the potassium dimer, Eur Phys J D 14:2001; 167.
  • Heid M, Schlücker S, Schmitt U, Chen T, Schweitzer-Stenner R, Engel V and Kiefer W, Two-dimensional probing of ground-state vibrational dynamics in porphyrin molecules by fs-CARS, J Raman Spectrosc 32:2001; 771.
  • Chen T, Vierheilig A, Kiefer W and Materny A, Coherent vibrational dynamics of polydiacetylenes in their electronic ground state, Phys Chem Chem Phys 3:2001; 5408.
  • Naumov AN, Materny A, Kiefer W, Motzkus M and Zheltikov AM, Reversible Computations and Ultrafast Logic Gates by Coherent Multiwave Mixing Supplemented with Quantum Control, Laser Physics 11:2001; 1319.
  • Zeidler D, Frey S, Wohlleben W, Motzkus M, Busch F, Chen T, Kiefer W and Materny A, Optimal control of ground-state dynamics in polymers, J Chem Phys 116:2002; 5231.
  • Schmitt M, Heid M, Schlücker S and Kiefer W, Femtosecond Coherent Raman Spectroscopy and Its Application to Porphyrins, Biopolymers (Biospectroscopy) 67:2002; 226.
  • Siebert T, Schmitt M, Engel V, Materny A and Kiefer W, Population Dynamics in Vibrational Modes during Non-Born-Oppenheimer Processes: CARS Spectroscopy Used as a Mode-Selective Filter, J Am Chem Soc 124:2002; 6242.
  • Kiefer W, Materny A and Schmitt M, Femtosecond time-resolved spectroscopy of elementary molecular dynamics, Naturwissenschaften 89:2002; 250.
  • Siebert T, Maksimenka R, Materny A, Engel V, Kiefer W and Schmitt M, The role of specific normal modes during non-Born-Oppenheimer dynamics: The S1S0 internal conversion of β-carotene interrogated on a femtosecond time scale with coherent anti-Stokes Raman scattering, J Raman Spectrosc 33:2002; 844.
  • Schmitt M, Siebert T, Grabtchikov AS, Orlovich V and Kiefer W, Probing Molecular Dynamics by Femtosecond Time-Resolved Coherent Anti-Stokes Raman Spectroscopy, Asian J Physics 12:2003; 1.
  • Schmitt M, Siebert T and Kiefer W, Femtosecond Time-Resolved Coherent Anti-Stokes Raman Spectroscopy for Probing Molecular Dynamics, Indian J Phys 77B:2003; 49.
  • Siebert T, Engel V, Materny A, Kiefer W and Schmitt M, Probing the Kinetics of a Non-adiabatic Transition Initiating Out of Vibrationally Excited as Well as Ground State Modes with Femtosecond Time-Resolved Transient Gratings, J Phys Chem A 107:2003; 8355.
  • Dietzek B, Maksimenka R, Herman G, Kiefer W, Popp J and Schmitt M, The Excited-State Dynamics of Phycocyanobilin in Dependence on the Excitation Wavelength, Chem Phys Chem 5:2004; 1171.
  • Dietzek B, Maksimenka R, Siebert T, Birckner E, Kiefer W, Popp J, Hermann G, and Schmitt M; Excited state processes in protochlorophyllid a—A femtosecond time-resolved absorptions study, Chem Phys Lett 397:2004; 110.
  • Maksimenka R, Dietzek B, Szeghalmi A, Siebert T, Kiefer W and Schmitt M, Population dynamics of vibrational modes in stilbene-3 upon photoexcitation to the first excited state, Chem Phys Lett 408:2005; 37.
  • Dietzek B, Maksimenka R, Kiefer W, Hermann G, Popp J, and Schmitt M, The excited-state dynamics of magnesium octaethylporphyrin studied by femtosecond time-resolved four-wave-mixing, Chem Phys Lett 415:2005; 94.
  • REVIEWS AND EXTENDED BOOK ARTICLES
  • Kiefer W, Laser Excited Resonance Raman Spectra of Small Molecules and Ions—A Review, Appl Spectrosc 28:1974; 115.
  • Kiefer W, Nonlinear Raman Spectroscopy, Chapter 3.6 in “Infrared and Raman Spectroscopy”, Ed. SchraderB, (VCh-Verlag: Weinheim), 1995; p 162.
  • Kiefer W, Applications of non-classical Raman spectroscopy: resonance Raman, surface enhanced Raman, and nonlinear Raman spectroscopy, Chapter 6.1 in “Infrared and Raman Spectroscopy”, Ed. SchraderB, (VCh-Verlag: Weinheim), 1995; p 465.
  • Kiefer W, Raman-Spektroskopie, Book article in “Spektroskopie amorpher und kristalliner Festkörper”, Eds. HaarerD and SpiessHW, (Steinkopff: Darmstadt), 1995; p 117.
  • Kiefer W, Materny A, Popp J and Schmitt M, Resonant Light Scattering: from Diatomic Molecules to Laser-Trapped Microparticles, J Braz Chem Soc 7:1996; 411.
  • Pikl R, Fickert C and Kiefer W, Raman spectroscopic studies and vibrational analysis of transition metal silyl and carbonyl complexes, Trends in Organomet Chem 2:1997; 71.
  • Gbureck A, Nagel V and Kiefer W, Density functional theory calculations and vibrational spectroscopy on organometallic complexes, Recent Res Devel Organometallic Chem 2:1999; 55.
  • Materny A, Funk JM and Kiefer W, Reaction kinetics and transient molecular states investigated by CARS spectroscopy with nanosecond time-resolution, Res Adv in Appl Spectrosc 1:2000; 13.
  • Kiefer W, Nonlinear Raman Spectroscopy, Applications, Encyclopedia of Spectroscopy and Spectrometry, (Academic Press) 2000; p 1609.
  • Schreder B and Kiefer W, Raman Spectroscopy on II-VI Semiconductor Nanostructures, Handbook of Raman Spectroscopy, Eds. LewisIR and EdwardsHGM, (Marcel Dekker: New York), 2001; Chapter 12, p 491.
  • Materny A, Chen T, Vierheilig A and Kiefer W, A review on linear and non-linear resonance Raman spectroscopy of the conjugated system polydiacetylene, J Raman Spectrosc 32:2001; 425.
  • Moigno D, Pavel I, Cîntã S and Kiefer W, Vibrational spectroscopy and theoretical studies on organometallic complexes, Recent Res Devel Organometallic Chem 4:2001; 11.
  • Popp J and Kiefer W, Raman Scattering, Fundamentals, Encyclopedia of Analytical Chemistry, Ed. MeyersRA, (Wiley: Chichester), 2000; p 13104.
  • Popp J and Kiefer W, Morphology-dependent Raman Measurements, Handbook of Vibrational Spectroscopy, Eds. ChalmersJM and GriffithsPR, (Wiley: Chichester), 2002; Vol. 2, p 1318.
  • Wagner V, Geurts J and Kiefer W, Raman spectroscopy on II-VI semiconductor interfaces, quantum dots, and quantum wires in “Quantum Dots and Nanowires” Eds. SBandyopadhyay HSNadwa, American Scientific Publishers: Stevenson Ranch, USA, 2003; p 241.
  • Schmitt M, Popp J and Kiefer W, Applications of Raman spectroscopy in life science and mineralogy, in “Perspectives in Engineering Optics”, Eds. SinghK and RastogiVK, (Anita Publ.), 2003; p 392.
  • Pavel I, Kiefer W and Stalke D, Vibrational spectroscopy of organolithium compounds, The chemistry of organolithium compounds, Eds. ZRappoport and IMarek, John Wiley and Sons: Chapter 6 2004; pp 227.
  • Wagner V, Geurts J, Kiefer W, Raman spectroscopy of quantum wires and quantum dots, Encyclopedia of Nanoscience and Nanotechnology 9:2004; 273.
  • Baia L, Kiefer W, and Simon S, Multispectroscopic studies of local structure in heavy metal glasses, Recent Res Devel Non-Crystalline Solids 4:2004; 1.