LUMINESCENCE CONCENTRATION QUENCHING DUE TO ENERGY MIGRATION IN ZNS-MN WITH FIXED TRAP DENSITY

被引:21
作者
KATIYAR, M
KITAI, AH
机构
[1] Department of Materials Science and Engineering, McMaster University, Hamilton
关键词
D O I
10.1016/0022-2313(90)90018-7
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
By fixing the trap concentration, the Blumen and Silbey dynamic model for energy migration is applied to ZnS:Mn. We treat trap concentration as independent of Mn concentration for a given ZnS host, and obtain the dependence of both the decay time and intensity on Mn concentration. These correlate with known experimental data, and explain the empirical decay dependence on Mn concentration. We are able to quantify the probability of energy loss to traps using Dexter's equation for dipole-dipole transfer. It is suggested that energy loss to the traps can be influenced by the growth technique. © 1990.
引用
收藏
页码:227 / 234
页数:8
相关论文
共 29 条
[11]   NON-EXPONENTIAL ZNS-MN LUMINESCENCE DECAY DUE TO ENERGY-TRANSFER [J].
GOEDE, O ;
HEIMBRODT, W ;
THONG, DD .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1984, 126 (02) :K159-K163
[12]   ENERGY-TRANSFER PROCESSES IN (ZN, MN)S MIXED-CRYSTALS [J].
GOEDE, O ;
THONG, DD .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1984, 124 (01) :343-353
[13]  
GOLDBERG P, 1966, LUMINESCENCE INORGAN, P36
[14]   ELECTRO-LUMINESCENCE AND PHOTO-LUMINESCENCE PROPERTIES OF MN2+ IN ZNS AND ZNCDS [J].
GUMLICH, HE .
JOURNAL OF LUMINESCENCE, 1981, 23 (1-2) :73-99
[15]   OPTICAL ABSORPTION AND ENERGY LEVELS OF MANGANESE IN ZNS - MN CRYSTALS [J].
GUMLICH, HE ;
PFROGNER, RL ;
SHAFFER, JC ;
WILLIAMS, FE .
JOURNAL OF CHEMICAL PHYSICS, 1966, 44 (10) :3929-&
[16]   PHYSICAL AND ELECTRICAL CHARACTERIZATION OF CO-DEPOSITED ZNS-MN ELECTROLUMINESCENT THIN-FILM STRUCTURES [J].
HURD, JM ;
KING, CN .
JOURNAL OF ELECTRONIC MATERIALS, 1979, 8 (06) :879-891
[17]   EFFECT OF MN CONCENTRATION ON ELECTRON-EXCITATION IN ZNS-MN ELECTROLUMINESCENT DEVICES [J].
KITAI, AH .
JOURNAL OF LUMINESCENCE, 1988, 39 (04) :227-230
[18]   ELECTRON-PARAMAGNETIC-RES INVESTIGATIONS OF ZNS-MN AND ZNSE-MN - SINGLE-CRYSTALS, POWDERS, THIN-FILM STRUCTURES [J].
KREISSL, J ;
GEHLHOFF, W .
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1984, 81 (02) :701-707
[19]   OPTICAL SPECTRA OF EXCHANGE COUPLED MN++ ION PAIRS IN ZNS - MNS [J].
MCCLURE, DS .
JOURNAL OF CHEMICAL PHYSICS, 1963, 39 (11) :2850-+
[20]   THE PREPARATION OF ZNS-MN ELECTROLUMINESCENT LAYERS BY MOCVD USING NEW MANGANESE SOURCES [J].
MIGITA, M ;
KANEHISA, O ;
SHIIKI, M ;
YAMAMOTO, H .
JOURNAL OF CRYSTAL GROWTH, 1988, 93 (1-4) :686-691