Raman scattering study of relaxor ferroelectric Pb(Sc1/2Nb1/2)O3 crystals

被引：0
|
作者：
Kohei Suzuki
Seiji Kojima
Muhtar Ahart
Yonghong Bing
Zuo-Guang Ye
机构：
[1] University of Tsukuba,Pure and Applied Sciences
[2] Carnegie Institution of Washington,Geophysical Laboratory
[3] Simon Fraser University,Department of Chemistry and 4D LABS
来源：
Journal of the Korean Physical Society | 2013年 / 62卷
关键词：
Relaxor; Ferroelectric; Raman scattering; Phonon; Depolarization ratio;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effects of B-site ordering and vacancies were studied in the relaxor ferroelectric Pb(Sc1/2Nb1/2)O3 (PSN) family by using Raman scattering spectroscopy. Differences with Raman spectra and the depolarization ratios were clearly observed among B-site disordered PSN (PSN-D), B-site ordered with lead/oxygen vacancies PSN (PSN-OV), and 0.7Pb(Sc1/2Nb1/2)O3-0.3PbTiO3 (PSN-30PT) single crystals. The temperature dependence of the depolarization ratio of PSN-30PT was also studied to clarify the ferroelectric phase transitions and the polarization fluctuations in the polar nanoregions.
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页码：1125 / 1128
页数：3
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