THE ENERGY BARRIER FOR ELECTRON TRAPPING IN ALXGA1-XAS

被引:3
|
作者
SCALVI, LVA
MINAMI, E
机构
[1] Departamento de Fisica, UNESP, Bauru
[2] Institute de Fisica e Quimica de São Carlos, Universidade de São Paulo
来源
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1993年 / 139卷 / 01期
关键词
D O I
10.1002/pssa.2211390112
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Transient decay of persistent photoconductivity measurements are carried out in samples of different compositions. The capture barrier for electron trapping by DX centers is obtained using a method which employs the Brooks-Herring equation for the electronic mobility. The effect of polarization of the screening cloud is analysed using Takimoto's potential and specifies the limits of applicability of the Brooks-Herring equation in AlxGa1-xAs.
引用
收藏
页码:145 / 152
页数:8
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