Carrier transport and screening in n-i-p-i crystals

被引：0
|
作者：
Kononenko, VK [1 ]
Ushakov, DV [1 ]
机构：
[1] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk 220072, BELARUS
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 1999年 / 211卷 / 02期
关键词：
D O I：
10.1002/(SICI)1521-3951(199902)211:2<743::AID-PSSB743>3.0.CO;2-M
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The variation of the energy spectrum of n-i-p-i crystals under excitation was examined and the influence of the reduction of the screening length on the ratio between the coefficient of diffusion and the mobility of the current carriers was established. It is shown that the filling of subband states by carriers results in an anomalous behaviour of the diffusivity-mobility ratio. The effect occurs in the electric quantum limit and at room temperature as well.
引用
收藏
页码：743 / 749
页数：7
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