ON THE STRUCTURAL STUDY OF PB2SCTAO6-TYPE CRYSTALS BY ANALYTICAL ELECTRON-MICROSCOPY AND RAMAN-SCATTERING

被引:37
作者
BOULESTEIX, C
CARANONI, C
KANG, CZ
SAPOZHNIKOVA, LS
SINY, IG
SMIRNOVA, TA
机构
[1] FAC SCI & TECH ST JEROME,PHYS CRISTALLINE LAB,CNRS,UA 797,CASE 151,F-13397 MARSEILLE 13,FRANCE
[2] AF IOFFE PHYSICOTECH INST,LENINGRAD 194021,USSR
关键词
D O I
10.1080/00150199008221545
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
High resolution electron microscopy, convergent beam electron diffraction and Raman scattering reveal that Pb2ScTaO6 crystals belong to the Fm3m space group. They can be more or less ordered at the atomic scale in the Sc:Ta arrangement resulting in the existence of microdomains. Disordering is accompanied by a broadening of phonon modes up to the line splitting. © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:241 / 246
页数:6
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