Combination transitions due to stretching and librations of OH- ions in LiNbO3

被引：7
|
作者：
Kovacs, Laszlo [1 ]
Lengyel, Krisztian [1 ]
Szalay, Viktor [1 ]
机构：
[1] Hungarian Acad Sci, Res Inst Solid State Phys & Opt, H-1121 Budapest, Hungary
来源：
OPTICS LETTERS | 2011年 / 36卷 / 18期
关键词：
LITHIUM-NIOBATE; CRYSTALS; ABSORPTION; BANDS; OH/OD;
D O I：
10.1364/OL.36.003714
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new absorption band has been detected at 4009 cm(-1) in stoichiometric LiNbO3 single crystals. Based on present and earlier experiments and recent calculations, this band has been assigned as a combination transition involving the OH stretching and an OH librational mode. The librational mode participating in this combination is of lower fundamental frequency than that contributing to the combination band at 4415 cm(1) observed by Grone and Kapphan [J. Phys. Condens. Matter 7, 3051 (1995)]. (C) 2011 Optical Society of America
引用
收藏
页码：3714 / 3716
页数：3
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