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Experimentally determining the exchange parameters of quasi-two-dimensional Heisenberg magnets

Abstract:

Though long-range magnetic order cannot occur at temperatures T > 0 in a perfect two-dimensional (2D) Heisenberg magnet, real quasi-2D materials will invariably possess nonzero inter-plane coupling J⊥ driving the system to order at elevated temperatures. This process can be studied using quantum Monte Carlo calculations. However, it is difficult to test the results of these calculations experimentally since for highly anisotropic materials in which the in-plane coupling is comparable with ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1088/1367-2630/10/8/083025

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, REF-Physics
Singleton, J More by this author
Sengupta, P More by this author
McDonald, RD More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, REF-Physics
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Funding agency for:
Goddard, PA
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Funding agency for:
Goddard, PA
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Funding agency for:
Lancaster, T
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Publisher:
IOP Publishing Publisher's website
Journal:
New Journal of Physics Journal website
Volume:
10
Issue:
8
Pages:
Article: 083025
Publication date:
2008-08-05
DOI:
EISSN:
1367-2630
ISSN:
1367-2630
URN:
uuid:283ab2d0-0e3d-417b-8299-c1d0d2f2290e
Source identifiers:
5353
Local pid:
pubs:5353
Language:
English

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