Large magnetoresistance of single-crystal films of ferromagnetic SrRuO3

被引：22
|
作者：
Klein, L [1 ]
Marshall, AF
Reiner, JW
Ahn, CH
Geballe, TH
Beasley, MR
Kapitulnik, A
机构：
[1] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
[2] Stanford Univ, Ctr Mat Res, Stanford, CA 94305 USA
[3] Stanford Univ, Edward L Ginzton Labs, Stanford, CA 94305 USA
[4] Univ Geneva, Dept Phys Mat Condensee, CH-1211 Geneva 4, Switzerland
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1998年 / 188卷 / 03期
关键词：
magnetoresistance; itinerant ferromagnetism; ruthenates; domain wall resistivity; scaling;
D O I：
10.1016/S0304-8853(98)00201-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Measurements of single-crystal films of the itinerant ferromagnet SrRuO3 show that: (a) the magnetoresistance (MR) near T-c similar to 150 K is large (similar to 12% at H = 6 T), negative, and is described by a scaling function; (b) the (negative) anisotropic MR is large (similar to 20%); and (c) the domain walls are highly resistive (unit area resistance similar to 10(-15) Omega m(2)). We believe that the MR properties of SrRuO3, which are strong relative to that of good metallic ferromagnets, are related to strong electron correlations. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：319 / 325
页数：7
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