Domain, dielectric and optical studies in antiferroelectric (Pb, La) (Zr, Sn, Ti)O_3 single crystals

Li Y.; Li Q.; Wang L.Yang Z.Gao J.Chu X.

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Domain, dielectric and optical studies in antiferroelectric (Pb, La) (Zr, Sn, Ti)O_3 single crystals

机译：Domain, dielectric and optical studies in antiferroelectric (Pb, La) (Zr, Sn, Ti)O_3 single crystals

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摘要

Antiferroelectric (Pb, La) (Zr, Sn, Ti)O_3 (PLZST) single crystals have been successfully grown by flux method using PbO-PbF_2-B_2O_3 as the flux. The obtained crystals are pale yellow in color and translucent. Domain structures, dielectric constants and optical transmission measurements have been performed on the 〈001〉-oriented PLZST single crystals. Two types of domains, namely, 90° and 180°domains, are observed. The extinction of 90°domains at P/A: 0°reveals a tetragonal structure in the crystal. The sequence of phase transitions from antiferroelectric to ferroelectric and then paraelectric has been established with increasing temperature. According to the modified Curie-Weiss relationship, the PLZST crystal is in an intermediate state between normal and relaxor antiferroelectrics. The broad optical transparent region (from 0.4 to 7.0 μm) and high optical transmittance (up to 65) indicate that PLZST crystals are promising for optical uses.

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来源
《Solid State Communications》 |2012年第18期|1791-1794|共4页
作者
Li Y.; Li Q.; Wang L.Yang Z.Gao J.Chu X.;
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作者单位

State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China;

Department of Chemistry, Tsinghua University, Beijing 100084, China;

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正文语种英语
中图分类固体物理学;
关键词
A. Antiferroelectrics; B. Crystal growth; D. Dielectric response; D. Domains;

Domain, dielectric and optical studies in antiferroelectric (Pb, La) (Zr, Sn, Ti)O_3 single crystals

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