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From ferro- to antiferromagnetism via exchange-striction of MnAs/GaAs(001)

Abstract:

We investigated the stress evolution in single-crystal MnAs films on GaAs(001) upon applying high external magnetic fields in the α/β phase transition regime (10-40 °C) and beyond. Our stress measurements reveal large field-induced lattice distortions at temperatures, where β-MnAs is present, even well above the phase transition (> 40 °C). A quantitative comparison with the field-induced increase of magnetization reveals that the changes in the lattice dimensions can be fully explained by ...

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Publication status:
Published

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Publisher copy:
10.1209/epl/i2005-10249-1

Authors


Yamaguchi, H More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Pampuch, C More by this author
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Journal:
EUROPHYSICS LETTERS
Volume:
72
Issue:
3
Pages:
479-485
Publication date:
2005-11-05
DOI:
EISSN:
1286-4854
ISSN:
0295-5075
URN:
uuid:ab807789-cbe0-42ee-abc5-6c11e0d72290
Source identifiers:
151466
Local pid:
pubs:151466
Language:
English

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