Antiferromagnetism and Spin Polarization in Double Perovskite SrLaVMoO6

被引：22

作者：

Gotoh, Hirotaka ^{[1
]}

Takeda, Yoichi ^{[1
]}

Asano, Hidefumi ^{[1
]}

Zhong, Jianping ^{[2
]}

Rajanikanth, Ammanabrolu ^{[3
]}

Hono, Kazuhiro ^{[3
]}

机构：

[1] Nagoya Univ, Dept Crystalline Mat Sci, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[2] Nagoya Univ, Venture Business Lab, Nagoya, Aichi 4648603, Japan

[3] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

来源：

APPLIED PHYSICS EXPRESS | 2009年 / 2卷 / 01期

关键词：

ELECTRONIC-STRUCTURE;

D O I：

10.1143/APEX.2.013001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The magnetic and transport properties of bulk polycrystalline samples of double perovskite SrLaVMoO6 have been investigated. Structural analyses have shown that the samples are almost in single phase with an ordered double perovskite structure. Magnetization versus temperature measurements have indicated that the SrLaVMoO6 compound exhibits a clear cusp at 125 K, which can be attributed to an antiferromagnetic transition. Electrical resistivity rho for the compound showed metallic temperature dependence from 10 to 300 K, and the resistivity rho value at 10 K was as low as 450 mu Omega.cm. A spin polarization P value as high as 0.50 at 4.2 K was measured using the pointcontact Andreev reflection (PCAR) technique. These results were discussed in terms of possible half metallic antiferromagnetism. (C) 2009 The Japan Society of Applied Physics

引用

页码：0130011 / 0130013

页数：3

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