Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

被引：48

作者：

Emery, Nicolas ^{[1
]}

Wildman, Eve J. ^{[1
]}

Skakle, Janet M. S. ^{[1
]}

Giriat, Gaetan ^{[2
,3
]}

Smith, Ron I. ^{[4
]}

Mclaughlin, Abbie C. ^{[1
]}

机构：

[1] Univ Aberdeen, Dept Chem, Aberdeen AB24 3UE, Scotland

[2] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3JZ, Midlothian, Scotland

[3] Univ Edinburgh, Sch Chem, Edinburgh EH9 3JZ, Midlothian, Scotland

[4] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England

来源：

CHEMICAL COMMUNICATIONS | 2010年 / 46卷 / 36期

基金：

英国工程与自然科学研究理事会;

关键词：

QUANTUM-INTERFERENCE; SUPERCONDUCTIVITY;

D O I：

10.1039/c0cc01380c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A sizeable negative magnetoresistance (MR) has been observed for oxypnictides LnOMnAs (Ln = La,Nd). MR up to -24% is observed at 200 K for LaOMnAs which is unprecedented for divalent Mn2+. Both materials are weak ferromagnets with transition temperatures above room temperature.

引用

页码：6777 / 6779

页数：3

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