On the Peak Profiles in Energy-Dispersive Powder X-ray Diffraction with Synchrotron Radiation
Journal of Applied Crystallography
Volume 30, Issue 6, pages 1008–1015, December 1997
How to Cite
Otto, J. W. (1997), On the Peak Profiles in Energy-Dispersive Powder X-ray Diffraction with Synchrotron Radiation. Jnl Applied Crystallography, 30: 1008–1015. doi: 10.1107/S0021889897005451
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The peak profiles of standard reference materials have been investigated with energy-dispersive X-ray diffraction at a synchrotron source. Keeping the detector dead time below 2%, the peak profiles were essentially pure Gaussians independent of energy in the range investigated. Plastic deformation of ductile f.c.c.-based materials (Cu3Au and Au) leads to increased Lorentzian contributions to the peak profiles. A single-line profile analysis was performed to obtain estimates of size and strain; reasonable values were found.