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

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.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.64.132402

Authors


Vaqueiro, P More by this author
Powell, AV More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Marshall, IM More by this author
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Journal:
PHYSICAL REVIEW B
Volume:
64
Issue:
13
Pages:
1324021-1324024
Publication date:
2001-10-01
DOI:
EISSN:
1095-3795
ISSN:
1098-0121
URN:
uuid:6c4deb30-8ece-488f-91bf-28a0e765816a
Source identifiers:
28932
Local pid:
pubs:28932
Language:
English

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