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Near-surface structural phase transition of SrTiO3 studied with zero-field beta-detected nuclear spin relaxation and resonance.

Abstract:
We demonstrate that zero-field beta-detected nuclear quadrupole resonance and spin relaxation of low energy (8)Li can be used as a sensitive local probe of structural phase transitions near a surface. We find that the transition near the surface of a SrTiO(3) single crystal occurs at T(c) approximately 150K, i.e., approximately 45K higher than T(c)bulk, and that the tetragonal domains formed below T(c) are randomly oriented.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Hossain, MD More by this author
Keeler, TA More by this author
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Journal:
Physical review letters
Volume:
96
Issue:
14
Pages:
147601
Publication date:
2006-04-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:af771994-984f-4647-957c-622f515d926f
Source identifiers:
31302
Local pid:
pubs:31302
Language:
English

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