Structure and ferromagnetism in Mn4+ spinels:: AM0.5Mn1.5O4 (A = Li, Cu; M = Ni, Mg)

被引：60

作者：

Branford, W

Green, MA

Neumann, DA

机构：

[1] UCL Royal Inst Great Britain, Davy Faraday Res Lab, London W1X 4BS, England

[2] UCL, Dept Chem, London WC1H 0AJ, England

[3] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA

来源：

CHEMISTRY OF MATERIALS | 2002年 / 14卷 / 04期

关键词：

D O I：

10.1021/cm010857a

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：

The structure and electronic properties of a series of Mn-IV spinel oxides, with the general formula, AM(0.5)Mn(1.5)O(4) (A = Li, Cu; M = Ni, Mg), are investigated. These materials form an interesting analogy to pyrochlore structures that show colossal magnetoresistance properties. Studies of all the compounds show spontaneous magnetization at a well-defined transition temperature and their semiconducting nature.

引用

页码：1649 / 1656

页数：8

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