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The role of magnetic ions on the magnetotransport properties of the charge-transfer salts beta ''-BEDT-TTF4[(H3O)M(C2O4)(3)]C5H5N where M = Ga3+, Cr3+ or Fe3+

Abstract:

We report high-field magneto transport measurements on beta''- BEDT-TTF4[(H3O)M(C2O4)(3)]C5H5N, where M = Ga3+, Cr3+ or Fe3+. In spite of the differing M ions, these compounds have very similar Fermi surfaces. We observe four distinct Shubnikov-de Haas frequencies, corresponding to four Fermi-surface pockets; the frequencies exhibit the additive relationship expected for a compensated semimetal. The compounds show paramagnetic behaviour and no superconductivity down to 0.5 K, in contrast to o...

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Publication status:
Published

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Publisher copy:
10.1016/j.jmmm.2003.12.104

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Bangura, AF More by this author
Singleton, J More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Akutsu-Sato, A More by this author
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Volume:
272
Pages:
1062-1064
Publication date:
2004-05-05
DOI:
ISSN:
0304-8853
URN:
uuid:de4c7592-93d1-44c9-b3de-c9f5a81d3e09
Source identifiers:
30416
Local pid:
pubs:30416

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