Direct current conductivity of evaporated cadmium selenide thin films

被引：9
作者：
Abdel-Latif, RM [1 ]
机构：
[1] Menia Univ, Fac Sci, Dept Phys, Menia 61519, Egypt
来源：
PHYSICA B | 1999年 / 270卷 / 3-4期
关键词：
D O I：
10.1016/S0921-4526(99)00173-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Current density-voltage characteristics have been obtained from thin films of CdSe, when sandwiched between ohmic gold and blocking aluminium electrodes. At low voltage, the current in the forward direction varies exponentially with voltage, and the transport mechanism is found to be dominated by recombination at the depletion region. At higher voltage, two distinct regions of ohmic and space-charge limited conduction dominated by a discrete trap level were observed. The thickness dependence in the square-law region has been found to confirm the d(-3) law. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：366 / 370
页数：5
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