Physical properties of double perovskite compounds ALaVMoO6 (A = Ca, Sr, Ba) -: a possible half-metallic antiferromagnetic system

被引：36

作者：

Uehara, M ^{[1
]}

Yamada, M ^{[1
]}

Kimishima, Y ^{[1
]}

机构：

[1] Yokohama Natl Univ, Fac Engn, Dept Phys, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan

来源：

SOLID STATE COMMUNICATIONS | 2004年 / 129卷 / 06期

关键词：

double perovskite; half metallic antiferromagnet; electrical property; magnetic property;

D O I：

10.1016/j.ssc.2003.11.003

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Double perovskite compounds ALaVMoO(6) (A = Ca, Sr, Ba) have been synthesized and their electrical and magnetic properties have been investigated. Magnetization measurements have indicated the possible antiferromagnetic transitions at 120 and 130 K for A = Ca and Sr samples, respectively. Electrical resistivity p for this system shows metallic temperature dependence from 300 to 20 K, though the sample with A Ca shows weak semiconducting behavior in the low temperature region (<70 K). Considering the magnetic and electrical properties and assuming the V3+ S = 1 and Mo4+ S = 1 valence and spin states, the samples with A = Ca and Sr can be promising candidates for half-metallic antiferromagnets. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：385 / 388

页数：4

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