Strong interfacial magnetic coupling in epitaxial bilayers of LaCoO3/LaMnO3 prepared by chemical solution deposition

被引：8

作者：

Manuel Vila-Fungueirino, Jose ^{[1
]}

Rivas-Murias, Beatriz ^{[1
]}

Rivadulla, Francisco ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Ctr Invest Quim Biol & Mat Mol CIQUS, Santiago De Compostela 15782, Spain

来源：

THIN SOLID FILMS | 2014年 / 553卷

基金：

欧洲研究理事会;

关键词：

Polymer assisted deposition; Thin-films; Interfacial exchange; THIN-FILMS; MAGNETORESISTANCE;

D O I：

10.1016/j.tsf.2013.11.060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the synthesis of high quality epitaxial bilayers of LaMnO3/LaCoO3 (LCO/LMO) on (001) LaAlO3, by spin-coating of a polymeric aqueous solutions. The bilayer shows a very large increase of the magnetization coercive field (approximate to 3000%) with respect to the isolated LMO or LCO films. We suggest that the origin of this effect is a strong Mn4+-O-Co2+ exchange interaction at the interface. Our results demonstrate that a simple chemical method is able to produce high quality epitaxial heterostructures in which interfacial effects can modify substantially the properties of the individual layers. (C) 2013 Elsevier B. V. All rights reserved.

引用

页码：81 / 84

页数：4

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