Phase problem in three-beam X-ray diffraction

被引：6
|
作者：
Afanas'ev, AM
Zozulya, AV
Koval'chuk, MV
Chuev, MA
机构：
[1] Russian Acad Sci, Inst Phys & Technol, Moscow 117218, Russia
[2] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 117333, Russia
来源：
JETP LETTERS | 2002年 / 75卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1485257
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is shown that, apart from the purely elastic scattering of X-rays, their inelastic coherent scattering by phonons can play, in some cases, a significant part in the formation of reflection curves for multiple X-ray diffraction. This process may affect the interference pattern for weak reflection, and it must be taken into account when extracting the triplet phase, as was demonstrated by an analysis of the experimental rocking curves obtained for the coplanar three-beam diffraction by a KDP crystal. (C) 2002 MAIK "Nauka / Interperiodica".
引用
收藏
页码：309 / 313
页数：5
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