PRESSURE STUDIES OF THE ENERGY-SPECTRUM OF IRRADIATION-INDUCED DEFECTS IN PB1-XSNXSE

被引：7
|
作者：
BRANDT, NB
KOVALEV, BB
SKIPETROV, EP
机构：
[1] Dept. of Phys., Moscow State Univ.
来源：
SEMICONDUCTOR SCIENCE AND TECHNOLOGY | 1991年 / 6卷 / 06期
关键词：
D O I：
10.1088/0268-1242/6/6/013
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The effect of high hydrostatic pressure (up to 18 kbar) on the galvanomagnetic properties of n- and p-Pb1-xSn(x)Se (x less-than-or-equal-to 0.06) alloys irradiated with electrons (T congruent-to 300 K, E = 6 MeV, PHI less-than-or-equal-to 7 x 10(17) cm-2) has been investigated. It is shown that irradiation creates a band of localized states E(t)1 the energy position of which relative to the valence band top L6+ depends on alloy composition and on pressure. A model of the energy spectrum of electron-irradiated Pb1-xSn(x)Se has been proposed assuming that electron irradiation generates two different types of defects and leads to the appearance of two bands of localized defect states situated within the conduction band and near the valence band top of Pb1-xSn(x)Se alloys.
引用
收藏
页码：487 / 490
页数：4
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