High temperature structure of BaBiO3 -: a synchrotron X-ray powder diffraction study

被引：39
作者：
Zhou, QD [1 ]
Kennedy, BJ [1 ]
机构：
[1] Univ Sydney, Ctr Struct Biol & Chem, Sch Chem, Sydney, NSW 2006, Australia
来源：
SOLID STATE COMMUNICATIONS | 2004年 / 132卷 / 06期
基金：
澳大利亚研究理事会;
关键词：
BaBiO3; perovskite; phase transition;
D O I：
10.1016/j.ssc.2004.08.002
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structure of the valence ordered perovskite-like compound BaBiO3 has been studied at fine temperature intervals between room temperature and 923 K using high resolution synchrotron X-ray powder diffraction methods. The compound undergoes two structural phase transitions, a first order transition to a rhombohedral structure near 425 K and a second-order transition to a cubic structure, the transition temperature being estimated as 893 K. Crown Copyright (C) 2004 Published by Elsevier Ltd. All rights reserved.
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收藏
页码：389 / 392
页数：4
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