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Dynamical X-ray diffractometry of the defect structure of garnet crystals

✍ Scribed by Pylypiv, V. M. ;Vladimirova, T. P. ;Fodchuk, I. M. ;Ostafiychuk, B. K. ;Kyslovskyy, Ye. M. ;Molodkin, V. B. ;Olikhovskii, S. I. ;Reshetnyk, O. V. ;Skakunova, O. S. ;Lizunov, V. V. ;Garpul', O. Z.

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
338 KB
Volume
208
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

The generalized statistical dynamical theory of X‐ray diffraction by imperfect single crystals is applied for the structural characterization of real single crystals with complex basis, namely, gadolinium gallium garnet (GGG) crystal Gd~3~Ga~5~O~12~. The developed theoretical approach takes into account the presence of various structural defects as well as provides the self‐consistent description of coherent and diffuse components of diffraction profiles from such crystals.

The characteristics of microdefects in the investigated GGG single crystal have been determined by analyzing the rocking curves measured for 444 and 888 reflections of CuKΞ±~1~ radiation.

πŸ“œ SIMILAR VOLUMES

Combined double- and triple-crystal X-ra
Combined double- and triple-crystal X-ray diffractometry with account for real defect structures in all crystals of X-ray optical schemes
✍ Shpak, A. P. ;Molodkin, V. B. ;Olikhovskii, S. I. ;Kyslovskyy, Ye. M. ;Reshetnyk πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 English βš– 339 KB

## Abstract Analytical expressions for coherent and diffuse scattering intensities with account for imperfections in all the crystals of double‐ and triple‐crystal diffractometers (DCD and TCD) have been derived from the generalized dynamical theory of X‐ray scattering in real single crystals which