Self-excited oscillation processes in porous-silicon-based structures

被引：6

作者：

Laptev, AN ^{[1
]}

Prokaznikov, AV ^{[1
]}

Rud', NA ^{[1
]}

机构：

[1] Yaroslavl State Univ, Yaroslavl, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2000年 / 26卷 / 12期

关键词：

D O I：

10.1134/1.1337249

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It was found that the dynamic current-voltage (I-U) characteristics of the n-type porous-silicon-based structures upon prolonged room-temperature storage exhibit negative differential conductivity. Exposure of the samples to a vapor of polar molecules led to the development of self-excited oscillations both during the I-U measurements and in the course of reverse current relaxation in the structure studied. The observed effects are explained by the formation of deep surface energy levels and their charging by an electric current passing upon exposure to the atmosphere containing polar molecules. (C) 2000 MAIK "Nauka/Interperiodica".

引用

页码：1049 / 1052

页数：4

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