RAMAN-SPECTRA OF LEAD MOLYBDATE SINGLE-CRYSTALS

被引：7
|
作者：
LEE, HS
LEE, SD
LEE, JH
JANG, MS
机构：
[1] KYUNG NAM UNIV,DEPT PHYS,MASAN,SOUTH KOREA
[2] PUSAN NATL UNIV,DEPT PHYS,PUSAN,SOUTH KOREA
来源：
FERROELECTRICS | 1990年 / 107卷
关键词：
D O I：
10.1080/00150199008221529
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The first order Raman spectra and their temperature dependence of lead molybdate single crystals(PbMoO4) have been measured using Argon ion laser(= 5145A) as exciting radiation source. We obtained 13 Raman active modes which are in good agreement with the results of group theory, but 170 cm-1mode of Ag is found at Ag+Bg scattering geometry at room temperature. Intensities of Ag>Bg and Eg modes decrease rapidly as temperature increases: Ag modes and Bgand Eg modes disappeared at 700 °C and 600 °C respectively but we did not find the soft mode related to any phase transition. © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码：151 / 154
页数：4
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