Structural variants in ABO3 type perovskite oxides.: On the structure of BaPbO3

被引：23
|
作者：
Moussa, SM
Kennedy, BJ [1 ]
Vogt, T
机构：
[1] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia
[2] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA
来源：
SOLID STATE COMMUNICATIONS | 2001年 / 119卷 / 8-9期
基金：
澳大利亚研究理事会;
关键词：
superconductors; phase transitions;
D O I：
10.1016/S0038-1098(01)00265-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structure of BaPbO3 has been refined from powder neutron and synchrotron X-ray diffraction data at both room temperature and 15 K. At room temperature the structure is orthorhombic, space group Imma a = 6.0299(1), b = 8.5094(1), c = 6.6094(1) Angstrom. R-p 5.26, R-wp 6.48, chi (2) 2.45%. On cooling the structure transforms to a monoclinic form, space group C2/m, a = 8.5548(1) b = 8.4808(1) c = 6.0118(1) Angstrom beta = 134.806(1). R-p 5.30, R-wp 6.50, chi (2) 2.64%. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：549 / 552
页数：4
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