Thermally activated demagnetization in (La0.97Ca0.03)0.96Mn0.96O3-δ

被引：1

作者：

Alonso, JM

Arroyo, A

Cortés-Gil, R

García, MA

González-Calbet, JM

González, JM

Hernando, A

Rojo, JM

Vallet-Regí, M

机构：

[1] Univ Complutense Madrid, RENFE, Inst Magnetismo Aplicado, Las Rozas 28230, Madrid, Spain

[2] Univ Complutense Madrid, Dept Quim Inorgan 1, E-28040 Madrid, Spain

[3] IMA, Unidad Asociada ICMM, Madrid 28049, Spain

[4] Univ Complutense Madrid, Dept Fis Mat, E-28040 Madrid, Spain

[5] Univ Complutense Madrid, Dept Quim Inorgan & Bioinorgan, E-28040 Madrid, Spain

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2005年 / 290卷

关键词：

manganite; relaxation; double exchange; superexchange;

D O I：

10.1016/j.jmmm.2004.11.507

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on the temperature dependence of the relaxation properties of a Mn perovskite with overall composition (La0.97Ca0.03)(0.96)(Mn0.074+Mn0.933+)(0.96)O-2.90. Our data are correlated with the simultaneous occurrence in the sample of metallic double-exchange magnetically coupled, Mn4+ clusters and of insulating superexchange coupled regions. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：482 / 485

页数：4

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