Study of the morphotropic phase boundary in the lead-free Na1/2Bi1/2TiO3-BaTiO3 system by Raman spectroscopy

被引：109

作者：

Rout, Dibyaranjan ^{[1
]}

Moon, Kyoung-Seok ^{[1
]}

Rao, V. Shankar ^{[1
]}

Kang, Suk-Joong L. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Mat Interface Lab, Taejon 305701, South Korea

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2009年 / 117卷 / 1367期

关键词：

Lead-free piezoelectric; MPB; Raman spectroscopy; HIGH-PRESSURE RAMAN; ELECTRICAL-PROPERTIES; SOLID-SOLUTION; CERAMICS; NA0.5BI0.5TIO3; BEHAVIOR;

D O I：

10.2109/jcersj2.117.797

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Lead-free piezoelectric (100-x)Na1/2Bi1/2TiO3-xBaTiO(3) solid solution ceramics are investigated by Raman spectroscopy and X-ray diffraction over a composition range of 0 <= x <= 10. Distinct changes in the Raman spectra and X-ray diffraction patterns were discussed in the light of a rhombohedral to tetragonal phase transition. The dominant bands in the Raman spectra were analyzed by observing the changes in their respective peak positions, widths and intensities as the composition increased. Based on these results, it is suggested that the morphotropic phase boundary in the studied system lies at the composition of x approximate to 5.5. This is further evidenced by the X-ray diffraction analysis. (C) 2009 The Ceramic Society of Japan. All rights reserved.

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页码：797 / 800

页数：4

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