Low-frequency dielectric dispersion and Raman spectroscopy of amorphous LiNbO3

被引：0
|
作者：
Kim, SH [1 ]
Lee, SJ [1 ]
Kim, JP [1 ]
Chae, BG [1 ]
Yang, YS [1 ]
Jang, MS [1 ]
机构：
[1] Pusan Natl Univ, Res Ctr Dielect & Adv Matter Phys, Pusan 609735, South Korea
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 1998年 / 32卷
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Amorphous LiNbO3 was prepared using twin-roller melt quenching method, and the low-frequency dielectric dispersion and Raman spectroscopy of amorphous LiNbO3 was examined. A hopping model was introduced to explain this low-frequency (down to the 10(-4) Hz) dielectric behavior. When the heat-treating temperature of the sample was higher than the glass transition temperature, it was revealed that the sample changed it's configurational coordinate to reduce the free energy of the sample by observing the dielectric behavior at low-frequencies. Raman spectroscopy has been employed for the heat-treated samples to study the structural changes from amorphous to the crystalline phases.
引用
收藏
页码：S830 / S833
页数：4
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