Synthesis, structure, and magnetic properties of a novel mixed-valent strontium rhodium oxide

被引：26

作者：

Claridge, JB ^{[1
]}

zur Loye, HC ^{[1
]}

机构：

[1] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA

来源：

CHEMISTRY OF MATERIALS | 1998年 / 10卷 / 09期

关键词：

D O I：

10.1021/cm980324a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sr6Rh5O15, a new n = 1 member of the A(3n+1)A'Bn+3O9+6n family of hexagonal perovskites, has been synthesized. In the structure, RhO6 octahedra form face-sharing linear tetramers, which are linked by RhO6 trigonal prisms to form infinite [RhO3](infinity) chains. Magnetic measurements show that each tetramer contains only one unpaired electron due to rhodium-rhodium interactions. At low temperatures, the systems order antiferromagnetically with an anomolously large drop in susceptibility.

引用

页码：2320 / +

页数：4

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