Acousto-helicon interaction in narrow-gap semiconductors

被引：0

作者：

Ghosh, KK ^{[1
]}

Paul, SN ^{[1
]}

机构：

[1] JADAVPUR UNIV,FAC SCI,CTR PLASMA STUDIES,CALCUTTA 700032,W BENGAL,INDIA

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1996年 / 197卷 / 02期

关键词：

D O I：

10.1002/pssb.2221970218

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A theoretical investigation is made on the propagation of acousto-helicon waves through plasmas in narrow-gap semiconducting piezoelectric crystals. Interaction coupling of the acousto-helicon mode sets up at lower frequencies in the small-gap semiconductors as compared to that in wide-gap ones. This is because of the strong dependence of the electron effective mass on the nonparabolicity of the conduction band of the semiconductors. Results are also shown for wide-gap semiconductors for the sake of comparison.

引用

页码：441 / 446

页数：6

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