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Magnetism in geometrically frustrated YMnO3 under hydrostatic pressure studied with muon spin relaxation.

Abstract:

The ferroelectromagnet YMnO3 consists of weakly coupled triangular layers of S=2 spins. Below T(N) approximately equal to 70 K muon-spin relaxation data show two oscillatory relaxing signals due to magnetic order, with no purely relaxing signals resolvable (which would require different coexisting spin distributions). The transition temperature T(N) increases with applied hydrostatic pressure, even though the ordered moment decreases. These results suggest that pressure increases both the exc...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
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Journal:
Physical Review Letters
Volume:
98
Issue:
19
Pages:
197203
Publication date:
2007-05-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
21191
Language:
English
Pubs id:
pubs:21191
UUID:
uuid:aaf986bc-1c3f-4828-866c-1a239bda995b
Local pid:
pubs:21191
Deposit date:
2012-12-19

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