Impurity- and defect-related luminescence of ZnSe:Fe at Low Temperatures

被引:4
作者
Pruchkina, A. A. [1 ]
Aminev, D. F. [1 ]
Ushakov, V. V. [1 ]
Chentsov, S., I [1 ]
Gladilin, A. A. [2 ]
Krivobok, V. S. [1 ]
Onischenko, E. E. [1 ]
Kalinushkin, V. P. [2 ]
机构
[1] Russian Acad Sci, Lebedev Phys Inst, 53 Leninskii Pr, Moscow 119991, Russia
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, 38 Vavilova St, Moscow 119991, Russia
基金
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词
ZnSe; impurity; Fe; luminescence; OPTICAL-PROPERTIES; FE-ZNSE; PHOTOLUMINESCENCE; CRYSTAL;
D O I
10.3103/S1068335619070078
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Polycrystalline zinc selenide is doped with an iron impurity to a concentration of similar to 10(19) cm(-3) in a zinc vapor atmosphere by the thermal diffusion method, and the distribution profile of optically active iron Fe2+ is obtained. The effect of the Fe2+ concentration on impurity-and defect-related ZnSe luminescence spectra at low temperatures is determined. In the range of 1.28-1.31 eV, a luminescence line with a decay time of similar to 0.341 ms is detected, with its intensity increasing in regions with Fe2+ concentration close to the maximum one. The line is attributed to the luminescence center arising due to the Fe2+ interaction with a background impurity or defect in ZnSe.
引用
收藏
页码:238 / 242
页数:5
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