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.

引用

页码：1125 / 1128

页数：3

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