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.

引用

页码：389 / 392

页数：4

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