期刊
SOLID STATE COMMUNICATIONS
卷 132, 期 6, 页码 389-392出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2004.08.002
关键词
BaBiO3; perovskite; phase transition
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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