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Anomalous temperature evolution of the internal magnetic field distribution in the charge-ordered triangular antiferromagnet AgNiO2.

Abstract:

Zero-field muon-spin relaxation measurements of the frustrated triangular quantum magnet AgNiO2 are consistent with a model of charge disproportionation that has been advanced to explain the structural and magnetic properties of this compound. Below an ordering temperature of TN=19.9(2) K we observe six distinct muon precession frequencies, due to the magnetic order, which can be accounted for with a model describing the probable muon sites. The precession frequencies show an unusual temperat...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics, REF-Physics
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Brooks, ML More by this author
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Journal:
Physical review letters
Volume:
100
Issue:
1
Pages:
017206
Publication date:
2008-01-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:e787f633-d4f7-4bae-ad1d-11ed4868b79b
Source identifiers:
30797
Local pid:
pubs:30797
Language:
English
Keywords:

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