LUMINESCENCE PROPERTIES OF NI2+ IN CSCDBR3

被引：26
|
作者：
DEVIRY, D
TERCIER, N
DENIS, JP
BLANZAT, B
PELLE, F
机构：
[1] Laboratoire de Physico-Chimie des Matérioux, Centre National de la Recherche Scientifique, 92190 Meudon Bellevue
来源：
JOURNAL OF CHEMICAL PHYSICS | 1992年 / 97卷 / 04期
关键词：
D O I：
10.1063/1.463117
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Spectroscopic properties of Ni2+ ions substituted in the unidimensional compound CsCdBr3 were investigated from 9 to 300 K. The structured features of the absorption spectrum have been interpreted on the assumption of a trigonal distortion of the Ni2+ site. Four emissions were observed and assigned to the 1T2 --> 3T2, 3T1, 1E and to the 3T2 --> 3A2 transitions in order of decreasing energy. Energy-level calculations were performed in the usual cubic model and the results compared to the values obtained in a trigonal-field framework. The lifetimes have been measured and fitted by the Mott law and using the Struck and Fonger model.
引用
收藏
页码：2263 / 2270
页数：8
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