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Magnetic correlations in the extended kagome YBaCo4O7 probed by single-crystal neutron scattering.

Abstract:

We have studied the frustrated system YBaCo4O7.0 generally described as an alternating stacking of kagome and triangular layers of magnetic ions on a trigonal lattice, by single-crystal neutron diffraction experiments above the Néel ordering transition. Experimental data reveal pronounced magnetic diffuse scattering, which is successfully modeled by direct Monte Carlo simulations. Long-range magnetic correlations are found along the c axis, due to the presence of corner-sharing bipyramids, cr...

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Publication status:
Published

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Authors


Chapon, LC More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Mitchell, JF More by this author
Journal:
Physical review letters
Volume:
103
Issue:
3
Pages:
037202
Publication date:
2009-07-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:b8159eaa-f2ea-491a-9d84-b91402a42282
Source identifiers:
149965
Local pid:
pubs:149965
Language:
English

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