Magnetoelectrics: Is CdCr2S4 a multiferroic relaxor?

Catalan, G. and Scott, J. F. (2007) Magnetoelectrics: Is CdCr2S4 a multiferroic relaxor? Nature, 448 (7156). E4-E5. DOI 10.1038/nature06156

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Abstract

Materials showing simultaneous ferroelectric and magnetic ordering are attracting a great deal of interest because of their unusual physics and potential applications1. Hemberger et al.2 have reported relaxor-like dielectric properties and colossal magnetocapacitance (in excess of 500%) for the cubic spinel compound CdCr2S4 and related isomorphs3, 4, 5, concluding that CdCr2S4 is a multiferroic relaxor. We argue here, however, that their results might also be explained by a conductive artefact.

Item Type: Article
Uncontrolled Keywords: 2007 AREP IA55 2007 P
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Nature
Volume: 448
Page Range: E4-E5
Identification Number: 10.1038/nature06156
Depositing User: Sarah Humbert
Date Deposited: 16 Feb 2009 13:01
Last Modified: 23 Jul 2013 10:01
URI: http://eprints.esc.cam.ac.uk/id/eprint/196

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