Metastable dark and photoconductive properties of microcrystalline silicon

被引:7
作者
Brueggemann, R. [1 ]
Souffi, N. [1 ]
机构
[1] Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany
关键词
conductivity; adsorption;
D O I
10.1016/j.jnoncrysol.2005.11.089
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Metastable changes in the dark conductivity of microcrystalline silicon upon heat treatment at different temperatures obey the Meyer-Neldel rule. Dark conductivity variations are accompanied by changes in the photoconductivity or the majority-carrier mobility-lifetime product. The minority-carrier mobility-lifetime product is not affected. The observations can be related to Fermi-level induced changes of the excess carrier lifetimes. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:1079 / 1082
页数:4
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