POOLE-FRENKEL EFFECT IN TERAHERTZ ELECTROMAGNETIC-FIELDS

被引：9

作者：

GANICHEV, SD ^{[1
]}

DIENER, J ^{[1
]}

YASSIEVICH, IN ^{[1
]}

PRETTL, W ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI, AF JOFFE PHYSICOTECH INST, ST PETERSBURG 194021, RUSSIA

来源：

EUROPHYSICS LETTERS | 1995年 / 29卷 / 04期

关键词：

D O I：

10.1209/0295-5075/29/4/008

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The ionisation of deep impurity centres in germanium has been observed with radiation in the terahertz range where the photon energy is much less than the binding energy of the impurities. It is shown that for not too high radiation intensities the ionisation is caused by the Poole-Frenkel effect. As in the well-known case of d.c. fields, the electric field of the high-frequency radiation lowers the Coulomb potential barrier and enhances the thermal emission of carriers.

引用

页码：315 / 320

页数：6

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