POLARIZED LUMINESCENCE FROM DIVALENT S-2 ION-CATION VACANCY COMPLEXES IN POTASSIUM HALIDE SINGLE-CRYSTALS

被引：3

作者：

SCACCO, A

JACOBS, PWM

BELLIVEAU, TF

KANG, JG

SIMKIN, DJ

机构：

[1] UNIV WESTERN ONTARIO,DEPT CHEM,LONDON N6A 3K7,ONTARIO,CANADA

[2] MCGILL UNIV,DEPT CHEM,MONTREAL H3A 2T5,QUEBEC,CANADA

来源：

JOURNAL OF LUMINESCENCE | 1984年 / 31-2卷 / DEC期

关键词：

CRYSTALS; -; Defects; LUMINESCENCE;

D O I：

10.1016/0022-2313(84)90229-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The polarized luminescence of KX:Sn**2** plus (X equals Br,I) and KY:Pb**2** plus (Y equals Cl,Br,I) after A band excitation, is discussed. The angular dependence of polarization indicates that these centers possess tetragonal symmetry. In KX:Sn**2** plus , where JT greater than equivalent to SO, the temperature dependence of the polarization is explained by considering the perturbing effect of an nnn v//c** minus on the JT wells. In KY:Pb**2** plus , where SO greater than equivalent to JT, all features of the polarization are explained in terms of an impurity ion-v//c** minus dipole oriented along a C//4 axis (nnn v//c** minus , tetragonal).

引用

页码：145 / 147

页数：3