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
收藏
页码：441 / 446
页数：6
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