Crystal Research and Technology

Cover image for Vol. 52 Issue 6

Editor: Wolfgang Neumann (Editor-in-Chief), Klaus-W. Benz (Consulting Editor)

Online ISSN: 1521-4079

Associated Title(s): physica status solidi (a), physica status solidi (b), physica status solidi (RRL) - Rapid Research Letters

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Recently Published Articles

  1. Characterization of raw materials and self-organized Bi2O3–Ag eutectic by X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy

    Magdalena Szubka, Ewa Talik, Katarzyna Sadecka, Dorota Anna Pawlak, Pawel Zajdel and Adam Guzik

    Version of Record online: 26 JUN 2017 | DOI: 10.1002/crat.201700044

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    The evolution of silver in the Bi2O3–Ag composites under different preparation procedures is demonstrated with the use of XPS, XRD, and SEM techniques. Analyses showed the Bi2O3–Ag composites prepared based on ball–milled raw materials had a much more homogenous distribution of silver. XPS studies revealed bulk metallic silver Ag0 and two oxidation states for silver (Ag2O and AgO) of all composites and showed the presence of metallic silver nanoparticles Ag0 only in one case of Bi2O3–Ag eutectic.

  2. High-pressure Bridgman growth and characterization of Cd1-XMnXTe:Fe crystals

    Nazar O. Kovalenko, Igor S. Terzin, Sergei V. Sulima, Olexii O. Poluboiarov, Alexei K. Kapustnik, Dmitry S. Sofronov, Pavel F. Mateichenko, Natalia G. Dubina, Sergei L. Abashin and Alexander G. Fedorov

    Version of Record online: 26 JUN 2017 | DOI: 10.1002/crat.201600378

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    Doped, structurally perfect crystals of solid solution Cd1–XMnXTe were grown. This material is a potentially longest wavelength active material for mid–IR lasing but the information about its optical properties is limited only to one composition x = 0.45. Consequently, the correlation between the chemical composition of the solid solution all over the range of existence and its physical properties have been established.

  3. Directional solidification of Fe-Fe3c white eutectic alloy

    M. Trepczyńska-Łent

    Version of Record online: 26 JUN 2017 | DOI: 10.1002/crat.201600359

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    During directional solidification of an Fe-C white eutectic alloys with rates 83.3 μm/s, 125 μm/s and 166.7 μm/s at a constant temperature gradient of G = 33.5 K/mm, an oriented eutectic structure was obtained. Simultaneous occurrence of orthorhombic and hexagonal Fe3C iron carbide was observed. Measurements of the average interphase spacing showed that the studied eutectic belongs to the anomalous class and is a quasi-regular eutectic.

  4. Effect of interplay between isotropic gases on microstructural evolution of single crystal diamond

    L. Jain, D. R. Mohapatra, R. Basu, D. S. Misra, Abha Misra and I. Samajdar

    Version of Record online: 22 JUN 2017 | DOI: 10.1002/crat.201700016

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    The surface morphology, of the diamond films can be generalized as step/ledge structures: clear upper ledges followed by lower ledges. Increase in step/ledge population was clearly associated with increase in 13C concentration. 13C concentration and increased step/ledge population also supported developments in ‘other’ crystallographic orientations. The principal (100) component was split between two near (100) components, often constituting the individual steps/ledges. High resolution EBSD also established the presence of non-(100) orientations. These were present at the ledge/step boundaries and corners. At lower 13C concentration, their presence was virtually eliminated.

  5. Synthesis of two new orthoborates KBaPr(BO3)2 and KBaNd(BO3)2

    N.G. Kononova, V.S. Shevchenko, A.E. Kokh, A.K. Bolatov, B.M. Uralbekov, M.M. Burkitbayev and Kh. A. Abdullin

    Version of Record online: 21 JUN 2017 | DOI: 10.1002/crat.201700024

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    Two new isostructural rare-earth orthoborates KBaPr(BO3)2 and KBaNd(BO3)2 were synthesized. Both of them are stable in the temperature range 850–1000°C. Prepared compounds crystallize in the trigonal system with space group Rinline imagem with cell parameters of а =  5.5052(12) Å, с =  18.402(8) Å, Z = 3 for KBaPr(BO3)2 and cell parameters of а =  5.4956(5) Å, с =  18.278(3) Å, Z = 3 for KBaNd(BO3)2. The photoluminescence, IR spectra of KBaPr(BO3)2 and KBaNd(BO3)2 have been studied.

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