Ferromagnetism in Mn-doped In2O3 oxide

被引：31
|
作者：
Peleckis, G [1 ]
Wang, XL [1 ]
Dou, SX [1 ]
机构：
[1] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 301卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
magnetic materials; ferromagnetism; indium oxide;
D O I：
10.1016/j.jmmm.2005.07.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Characterization of a ferromagnetic In1.9Mn0.1O3-delta oxide prepared by a conventional solid-state synthesis route is reported. Lattice parameter a (a = 9.875 A) obtained from Rietveld refinement shows distinct shrinkage of the lattice constant indicating an actual incorporation of Mn ions into the In2O3 lattice. The T-c for Mn-doped In2O3 oxide is 46 K. The effective magnetic moment (mu(eff)) is 2.87 mu(B) corresponding to that of either tetrahedrally or octahedrally coordinated Mn3+ in an intermediate spin state (mu(eff) = 2.83 mu(B)). SEM EDS mapping showed homogeneous distribution of all ions in the sample, and the chemical composition calculated from EDS spot analysis matches nominal values. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：308 / 311
页数：4
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