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Observation of unusual temperature-dependent stripes in LiTaO3 and LiTa (x) Nb1-x O-3 crystals with near-zero birefringence

Abstract:

A birefringence imaging microscopy study of LiTaO3 and some mixed LiTa x Nb1-x O3 crystals is reported. The initially congruent LiTaO3 crystals have been subject to vapour transport equilibration in order to increase the Li content and at the same time to reduce the optical birefringence close to zero at room temperature. In both types of crystal, the presence of unusual periodic self-organized stripes, existing over large distances, has been observed, which correlate with the well documented...

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Publication status:
Published

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Publisher copy:
10.1107/S0021889810033868

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Bartasyte, A More by this author
Keeble, DS More by this author
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Journal:
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume:
43
Issue:
6
Pages:
1305-1313
Publication date:
2010-12-05
DOI:
EISSN:
1600-5767
ISSN:
0021-8898
URN:
uuid:76b2d462-5724-44cc-9fa4-c4111866129a
Source identifiers:
110275
Local pid:
pubs:110275

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