Effect of photocrystallization on the photoconductivity of a-Se65Te20Sb15

被引：13

作者：

Dixit, M ^{[1
]}

Kumar, A ^{[1
]}

机构：

[1] Harcourt Butler Technol Inst, Dept Phys, Kanpur 208002, Uttar Pradesh, India

来源：

PHYSICA B | 1998年 / 252卷 / 04期

关键词：

photocrystallization; photoconductivity; a-Se65Te20Sb15;

D O I：

10.1016/S0921-4526(98)00275-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The present paper reports the steady state and transient photoconductivity in amorphous Se80Te20 thin films before and after photocrystallization which is induced by exposing to white light for about 18 h. The results indicate that the dark conductivity (sigma(d)) and steady-state photoconductivity (sigma(ph)) increase by many orders of magnitude on crystallization. However, the relative photosensitivity (sigma(ph)/sigma(d)) decreases on crystallization. The decay of photo-current becomes slower as the extent of crystallization increases. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：286 / 294

页数：9

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