MORPHOTROPIC PHASE BOUNDARY IN (Na0.5Bi0.5)TiO3-BaTiO3 LEAD FREE SYSTEM: XRD AND RAMAN SPECTROSCOPY STUDIES

被引：2
|
作者：
Lidjici, Hamza [1 ,2 ]
Khemakhem, Hamadi [3 ]
机构：
[1] Univ Laghouat, Lab Etud & Dev Mat Semicond & Dielect, Route Ghardaia BP 37G, Laghouat, Algeria
[2] Univ Valenciennes & Hainaut Cambresis, Lab Mat & Proc, F-59600 Zi Du Champ De Labbesse, Maubeuge, France
[3] Univ Sfax, Fac Sci Sfax, LMMA, BP 1171, Sfax 3000, Tunisia
来源：
CERAMICS-SILIKATY | 2016年 / 60卷 / 03期
关键词：
NBT-BT lead-free piezoelectric; MPB; XRD; Raman spectroscopy; ELECTRICAL-PROPERTIES; HIGH-FREQUENCY;
D O I：
10.13168/cs.2016.0031
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：
In this paper, we report a raman spectroscopy and X-ray diffraction investigations on lead-free (1-x)(Na0.3Bi0.5)TiO3-xBaTiO(3) (NBT-BT) solid solution ceramics over a composition range of 0 <= x <= 0.10 at room temperature. The Raman curves were fitted to the individual Raman peaks. The obtained peaks were analyzed by observing the changes in their respective peak positions and intensities with increasing of BaTiO3. In light of the obtained observations, it is suggested that a MPB of rhombohedral and tetragonal phases of the studied system lies at the composition of x = 0.065. Further support for the obtained MPB was drawn from X-ray diffraction measurements.
引用
收藏
页码：205 / 209
页数：5
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