PRESSURE-INDUCED SOFT MODE PHASE-TRANSITION IN BI2TI4O11 BY RAMAN-SCATTERING

被引：8
|
作者：
MENG, JF
ZOU, GT
ZHAO, YM
CUI, QL
LI, DM
机构：
[1] State Key Laboratory Superhard Materials, Institute of Atomic and Molecular Physics, Jilin University
来源：
PHYSICS LETTERS A | 1992年 / 163卷 / 1-2期
关键词：
D O I：
10.1016/0375-9601(92)90177-N
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The low frequency Raman spectra of Bi2Ti4O11 have been investigated under hydrostatic pressure up to 9 GPa. A pressure induced soft mode phase transition occurs at 3.7 GPa. The half-width of the soft mode satisfies the relation GAMMA = GAMMA(0)t-1/3 (t is the reduced pressure (P(c)-P)/P(c) or temperature (T(c)-T)/T(c)) in the low pressure phase.
引用
收藏
页码：135 / 138
页数：4
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