Issue 36, 2010
From the journal:

Chemical Communications

Giant magnetoresistance in oxypnictides (La,Nd)OMnAs†

Nicolas Emery,a   Eve J. Wildman,a   Janet M. S. Skakle,a   Gaetan Giriat,b   Ron I. Smithc  and  Abbie C. Mclaughlin*a  

* Corresponding authors

a The Chemistry Department, University of Aberdeen, Meston Walk, Aberdeen, Scotland, UK
E-mail: a.c.mclaughlin@abdn.ac.uk
Fax: +44 (0)1224 27291
Tel: +44 (0)1224 272924

b Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, King's Buildings, Mayfield Road, Edinburgh, UK

c ISIS Facility, RAL, Chilton, Didcot, Oxon OX11 0QX, UK

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.

Graphical abstract: Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

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Article information

DOI
https://doi.org/10.1039/C0CC01380C
Article type
Communication
Submitted
12 May 2010
Accepted
28 Jul 2010
First published
27 Aug 2010

Chem. Commun., 2010,46, 6777-6779

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Giant magnetoresistance in oxypnictides (La,Nd)OMnAs

N. Emery, E. J. Wildman, J. M. S. Skakle, G. Giriat, R. I. Smith and A. C. Mclaughlin, Chem. Commun., 2010, 46, 6777 DOI: 10.1039/C0CC01380C

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