Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

Nicolas Emery; Eve J. Wildman; Janet M. S. Skakle; Gaetan Giriat; Ron I. Smith; Abbie McLaughlin

doi:10.1039/c0cc01380c

Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

Nicolas Emery, Eve J. Wildman, Janet M. S. Skakle, Gaetan Giriat, Ron I. Smith, Abbie McLaughlin

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	6777-6779
Number of pages	3
Journal	Chemical Communications
Volume	46
Issue number	36
DOIs	https://doi.org/10.1039/c0cc01380c
Publication status	Published - 2010

Keywords

range-hopping regime
quantum-interference
superconductivity

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10.1039/c0cc01380c

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title = "Giant magnetoresistance in oxypnictides (La,Nd)OMnAs",

abstract = "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.",

keywords = "range-hopping regime, quantum-interference, superconductivity",

author = "Nicolas Emery and Wildman, {Eve J.} and Skakle, {Janet M. S.} and Gaetan Giriat and Smith, {Ron I.} and Abbie McLaughlin",

year = "2010",

doi = "10.1039/c0cc01380c",

language = "English",

volume = "46",

pages = "6777--6779",

journal = "Chemical Communications",

issn = "1359-7345",

publisher = "Royal Society of Chemistry",

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T1 - Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

AU - Emery, Nicolas

AU - Wildman, Eve J.

AU - Skakle, Janet M. S.

AU - Giriat, Gaetan

AU - Smith, Ron I.

AU - McLaughlin, Abbie

PY - 2010

Y1 - 2010

N2 - 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.

AB - 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.

KW - range-hopping regime

KW - quantum-interference

KW - superconductivity

U2 - 10.1039/c0cc01380c

DO - 10.1039/c0cc01380c

M3 - Article

SN - 1359-7345

VL - 46

SP - 6777

EP - 6779

JO - Chemical Communications

JF - Chemical Communications

IS - 36

ER -

Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

Abstract

Keywords

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