STRONG INTENSITY ATTENUATION OF RAMAN-SCATTERING IN PROTON-EXCHANGED LINBO3 CRYSTALS

被引：5
|
作者：
WU, XL [1 ]
ZHANG, MS [1 ]
FENG, D [1 ]
机构：
[1] CTR ADV STUDIES SCI & TECHNOL MICROSTRUCT,NANJING 210093,PEOPLES R CHINA
来源：
APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 23期
关键词：
D O I：
10.1063/1.112529
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Raman spectroscopy of protonated LiNbO3 crystal has been performed as a function of proton-exchange time. At right angle scattering geometries, a strong (more than 50 times) intensity attenuation of Raman scattering was found in samples after 12-14 h proton treatment. A similar situation exists in the protonated LiTaO3 crystal after 8-10 h proton treatment. We attribute this anomalous attenuation tentatively to phonon localization-related effects, resulting from the strongly disordered distribution of protons in the sample. © 1994 American Institute of Physics.
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收藏
页码：2916 / 2918
页数：3
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