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Journal article

Magnetic order and dynamics of the charge-ordered antiferromagnet La1.5Sr0.5CoO4

Abstract:

We describe neutron scattering experiments performed to investigate the magnetic order and dynamics of half-doped La1.5Sr0.5CoO4. This layered perovskite exhibits a near-ideal checkerboard pattern of Co2+/Co3+ charge order at temperatures below ~ 800 K. Magnetic correlations are observed at temperatures below ~ 60 K but static magnetic order only becomes established at 31 K, a temperature at which a kink is observed in the susceptibility. On warming above 31 K we observed a change in the magn...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.80.134414

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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:
Phys. Rev. B
Volume:
80
Issue:
13
Pages:
134414
Publication date:
2009-09-28
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
Source identifiers:
6611
Language:
English
Keywords:
Pubs id:
pubs:6611
UUID:
uuid:6debfcbd-218f-47ed-a5c7-36af97ad3c5a
Local pid:
pubs:6611
Deposit date:
2012-12-19

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