THE INFLUENCE OF COMPLEX LUMINESCENCE-CENTERS ON THE LUMINESCENT PROPERTIES OF CAS-EU

被引：6
|
作者：
GRUZINTSEV, AN
DEMISHEV, SV
NIKIFOROVA, TV
机构：
[1] Institute of Problems of Microelectronics Technology and Superpure Materials, Academy of Sciences of the Ussr
来源：
PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1990年 / 161卷 / 02期
关键词：
D O I：
10.1002/pssb.2221610225
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Photoluminescence, cathodoluminescence, and excitation spectra of CaS: Eu phosphors with different activator concentrations (0.1 to 2 at %) are measured at 4.2, 80, and 300 K. Excitation and luminescence bands originating from the associate centres Eu(ca)2+-V(Ca) are observed in addition to those of a single Eu(Ca)2+ centre. Calculations by the method of linear combination of atomic orbitals (LCAO) allow to obtain a scheme of the electron terms of the associates which is in good agreement with the experiment.
引用
收藏
页码：705 / 710
页数：6
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