Numerical Simulation of Energy Relaxation Processes in a ZnMoO4 Single Crystal

被引：9
|
作者：
Savon, A. E. [1 ]
Spassky, D. A. [2 ]
Vasil'ev, A. N. [2 ]
Mikhailin, V. V. [1 ,2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119991, Russia
来源：
OPTICS AND SPECTROSCOPY | 2012年 / 112卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
SHALLOW TRAPS; LUMINESCENCE; SCINTILLATORS; TUNGSTATES;
D O I：
10.1134/S0030400X12010171
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the results of our experimental investigation and numerical simulation of excitation-energy relaxation processes in zinc molybdate crystals. We show that our kinetic model of the energy relaxation makes it possible to describe basic features of experimental results. Using this model, we estimate the trap concentration in ZnMoO4 upon irradiation of the crystal by VUV synchrotron radiation and X-ray radiation. We conclude that prolonged phosphorescence of ZnMoO4 that is observed after irradiation of the crystal by X-ray radiation can be caused by the occurrence of additional traps with a low activation energy.
引用
收藏
页码：72 / 78
页数：7
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