Cr3+ spectroscopy study in ZnO-codoped and Zn-in-diffused congruent LiNbO3:Cr crystals

被引：0
|
作者：
T. P. J. Han
E. Cantelar
G. Lifante
F. Cusso
F. Jaque
机构：
[1] University of Strathclyde,Department of Physics
[2] Universidad Autónoma de Madrid,Departamento de Física de Materiales
来源：
Applied Physics B | 2009年 / 94卷
关键词：
78.00.00; 42.70.-a; 42.70.Nq;
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摘要：
This paper reports on the spectroscopy properties, absorption and luminescence, of Cr3+ ions in singly doped, ZnO-codoped, and Zn in-diffused LiNbO3:Cr crystals. In addition to the broad absorption, inter-ionic transitions ascribed to Cr3+ ions located in Li+ and Nb5+ sites; [Cr]Li and [Cr]Nb centres two absorption bands at higher energy are reported and ascribed to the charge transfer transitions of the Cr3+ ions of the two defect centres.
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