MECHANISMS FOR THE BLUE EMISSION OF ZINC SELENIDE-BASED LEDS

被引：0
|
作者：
VAKSMAN, YF
KRASNOV, AN
PURTOV, YN
机构：
来源：
SEMICONDUCTORS | 1995年 / 29卷 / 07期
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中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Light-emitting diodes have been fabricated from zinc selenide single crystals in a two-step procedure. The conductivity of the n-ZnSe was compensated by doping the crystals with tin. A layer of the semiconductor with a p-type conductivity was produced by doping the compensated layer with lithium. A mechanism is proposed for the blue emission observed from the structures. A study of the luminescence spectra leads to the conclusion that the radiative recombination involves free excitons interacting with longitudinal optical phonons and free electrons. (C) 1995 American Institute of Physics.
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页码：612 / 613
页数：2
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