Colossal magnetoresistance in the layered chromium sulfide Cr2S3-x (x=0.08)

Paz Vaqueiro, A. V. Powell, A. I. Coldea, C. A. Steer, I. M. Marshall, S. J. Blundell, J. Singleton, T. Ohtani

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

We report structural, magnetic, and magnetotransport properties of the two-dimensional chromium sulfide Cr2S2.92, which contains both Cr3+ and Cr2+ ions. Below its magnetic-ordering temperature (TN=118 K), Cr2S2.92 exhibits a weak spontaneous magnetization with a maximum around 90 K and a value of 0.013(4) µB per Cr ion at 5 K. The resistivity and magnetoresistance exhibit pronounced local maxima around TN (MR=48% in a field of 14 T). The magnetotransport properties are discussed in terms of magnetic-polaron formation.

Original languageEnglish
Article number132402
Pages (from-to)1324021-1324024
Number of pages4
JournalPhysical Review B: Condensed Matter and Materials Physics
Volume64
Issue number13
Publication statusPublished - 1 Oct 2001

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