HIGH-PRESSURE RAMAN-SPECTRA OF LITHIUM TRIBORATE CRYSTAL AND PRESSURE-INDUCED PHASE-TRANSITIONS

被引：6
作者：
LIN, YK
XIONG, GS
LAN, GX
WANG, HF
XU, LW
机构：
[1] NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA
[2] ACAD SINICA,INST PHYS,BEIJING 100080,PEOPLES R CHINA
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1994年 / 55卷 / 01期
关键词：
RAMAN SCATTERING; HIGH PRESSURE; PHASE TRANSITION; LITHIUM TRIBORATE;
D O I：
10.1016/0022-3697(94)90191-0
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The high-pressure Raman spectra of lithium triborate (LiB3O5) crystal are presented in this work. The results show that a pressure-induced crystalline-to-crystalline phase transition occurs near 50 kbar and that the phase transition is reversible. Above 270 kbar lithium triborate becomes amorphous; this transition is irreversible. The structure of pressure-amorphized LiB3O5 and the recrystallization processes on annealing were investigated by means of Raman scattering.
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收藏
页码：113 / 117
页数：5
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