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Antiferromagnetically spin polarized oxygen observed in magnetoelectric TbMn2O5.

Abstract:

We report the direct measurement of antiferromagnetic spin polarization at the oxygen sites in the multiferroic TbMn2O5, through resonant soft x-ray magnetic scattering. This supports recent theoretical models suggesting that the oxygen spin polarization is key to the magnetoelectric coupling mechanism. The spin polarization is observed through a resonantly enhanced diffraction signal at the oxygen K edge at the commensurate antiferromagnetic wave vector. Using the fdmnes code we have accurat...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
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Journal:
Physical Review Letters
Volume:
105
Issue:
8
Pages:
087203
Publication date:
2010-08-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
71207
Language:
English
Keywords:
Pubs id:
pubs:71207
UUID:
uuid:9ef709ed-7f2e-49e3-8827-be17cb56f927
Local pid:
pubs:71207
Deposit date:
2012-12-19

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