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Observation of unusual temperature-dependent stripes in LiTaO3 and LiTa(x)Nb1(-x)O-3 crystals with near-zero birefringence
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Glazer, A. M. (Anthony Michael), Zhang, Nan, Bartasyte, Ausrine, Keeble, Dean Samuel, Huband, Steven and Thomas, Pam A. (2010) Observation of unusual temperature-dependent stripes in LiTaO3 and LiTa(x)Nb1(-x)O-3 crystals with near-zero birefringence. Journal of Applied Crystallography, Vol.43 (No.Part 6). pp. 1305-1313. doi:10.1107/S0021889810033868 ISSN 0021-8898.
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Official URL: http://dx.doi.org/10.1107/S0021889810033868
Abstract
A birefringence imaging microscopy study of LiTaO3 and some mixed LiTa (x) Nb1-x O-3 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 cleavage and twin planes in this material. Furthermore, the stripes become narrower as the temperature is changed away from the zero-birefringence temperature, but become temperature-independent above the ferroelectric-paraelectric phase-transition temperature.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Journal of Applied Crystallography | ||||
| Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
| ISSN: | 0021-8898 | ||||
| Official Date: | December 2010 | ||||
| Dates: |
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| Volume: | Vol.43 | ||||
| Number: | No.Part 6 | ||||
| Number of Pages: | 9 | ||||
| Page Range: | pp. 1305-1313 | ||||
| DOI: | 10.1107/S0021889810033868 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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