Polarized Raman study on phase transitions in 0.24Pb(In1/2Nb1/2)O3-0.43Pb(Mg1/3Nb2/3)O3-0.33PbTiO3 single crystal

被引：13
作者：
Wu, Fengmin [1 ,2 ]
Yang, Bin [1 ]
Sun, Enwei [1 ]
Zhang, Rui [1 ]
Xu, Dapeng [3 ]
Zhou, Jing [3 ]
Cao, Wenwu [1 ,4 ]
机构：
[1] Harbin Inst Technol, Condensed Matter Sci & Technol Inst, Harbin 150080, Peoples R China
[2] Harbin Univ Sci & Technol, Coll Appl Sci, Harbin 150080, Peoples R China
[3] Jilin Univ, Sch Phys, Changchun 130023, Peoples R China
[4] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 551卷
关键词：
PIN-PMN-PT; Micro-Raman; Phase transitions; CERAMICS; GROWTH; ORDER;
D O I：
10.1016/j.jallcom.2012.10.029
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polarized Raman spectroscopy was performed to investigate the local lattice structure and phase transitions of unpoled 0.24Pb(In1/2Nb1/2) O-3-0.43Pb(Mg1/3Nb2/3) O-3-0.33PbTiO(3) (0.24PIN-0.43PMN-0.33PT) single crystal in the temperature range from 30 degrees C to 260 degrees C. MA-and MC-type monoclinic phases were detected by micro-Raman spectra measured in different micro areas. Temperature dependence of Raman intensities, frequency shifts, mode merge and intensity ratios in the VV and VH geometries were investigated. Our results indicated that the monoclinic-tetragonal (M-T) phase transition of the ternary relaxorbased ferroelectric single crystal 0.24PIN-0.43PMN-0.33PT occurs at 85 degrees C, which is verified by the mode merging from 520 cm(-1) and 580 cm(-1) to 500 cm(-1), and the tetragonal-cubic (T-C) phase transition happens at 200 degrees C based on the vanishing mode at 780 cm(-1) measured in the VH polarization. (C) 2012 Elsevier B. V. All rights reserved.
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页码：98 / 100
页数：3
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