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Thermodynamic and magnetic properties of the layered triangular magnet NaNiO2

Abstract:

We report muon-spin rotation, heat capacity, magnetization, and ac magnetic susceptibility measurements of the magnetic properties of the layered spin-12 antiferromagnet NaNiO2. These show the onset of long-range magnetic order below TN=19.5K. Rapid muon depolarization, persisting from TN to about 5 K above TN, is consistent with the presence of short-range magnetic order. The temperature and frequency dependence of the ac susceptibility suggests that magnetic clusters persist above 25 K and ...

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Publisher copy:
10.1103/PhysRevB.72.104414

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Journal:
Physical Review B - Condensed Matter and Materials Physics
Volume:
72
Issue:
10
Publication date:
2005-09-01
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:58e05bb7-7d58-4c1b-bfd1-809b0df96198
Source identifiers:
116741
Local pid:
pubs:116741
Language:
English

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