On the structure of BaTl0.5Sb0.5O3: An ordered perovskite

被引：23

作者：

Fu, WT

IJdo, DJW

机构：

[1] Leiden Institute of Chemistry, Leiden University, 9502, 2300, RA Leiden, Netherlands

[2] Gorlaeus Laboratories, Leiden University, 9502, 2300, RA Leiden, Netherlands

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 1997年 / 128卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

D O I：

10.1006/jssc.1997.7290

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structure of BaTl0.5Sb0.5O3 has been investigated by powder X-ray diffraction, The profile refinement shows that the structure is of the (NH4)(3)FeF6-type, having a high degree of ordering between Tl and Sb, with the space group Fm (3) over bar m and lattice parameter a=8.3809(1) Angstrom. The oxygen atoms are shifted away from the Tl toward the Sb, creating an alternative arrangement of larger TlO6 and smaller SbO6 octahedra with the Tl-O and Sb-O bond distances being 2.21 and 1.98 Angstrom, respectively. (C) 1997 Academic Press.

引用

页码：323 / 325

页数：3

共 14 条

[1] SUPERCONDUCTIVITY AT 3.5-K IN BAPB0.75SB0.25O3 - WHY IS TC SO LOW [J].