GAMMA-RAY DIFFRACTOMETRY - TECHNIQUE TO STUDY TWINNED CRYSTALS AND ITS APPLICATION TO KH2PO4

被引:23
作者
BASTIE, PM
BORNAREL, J
机构
[1] Université Scientifique et Médicale, Grenoble Laboratoire de Spectrométrie Physique (Associé Au CNRS), 38041 Grenoble Cedex
来源
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS | 1979年 / 12卷 / 10期
关键词
D O I
10.1088/0022-3719/12/10/011
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The possibilities of using the technique of gamma -ray diffractometry to investigate twinned crystals are described; the influences of static or alternating external fields, temperature and elastic constants have been studied on a ferroelectric-ferroelastic sample of KH2PO4. Several mechanisms are proposed to explain the crystal deformation; these involve analysis of the Bragg peaks and the modification of the rocking curves.
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页码:1785 / 1798
页数:14
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