Study of dispersion characteristics of plasmon-optical phonon in multicomponent superlattices

被引：2
|
作者：
Misra, KD [1 ]
Mishra, RK [1 ]
机构：
[1] Banaras Hindu Univ, Inst Technol, Dept Appl Phys, Varanasi 221005, Uttar Pradesh, India
来源：
SURFACE REVIEW AND LETTERS | 2004年 / 11卷 / 03期
关键词：
multicomponent superlattice; bulk and surface modes; plasmon-optical phonon coupling;
D O I：
10.1142/S0218625X04006189
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Dispersion relations for two-component and three-component periodic optical semiconductor superlattices are derived. A systematic study of the interaction of bulk and surface plasmons with optical phonons is made in these superlattices to find out the factors which can influence the coupling between the two modes of vibration. Coupling between the plasmons and optical phonons in the bulk medium and surface of the two semi-infinite mediums gives rise to four modes (two symmetric and two antisymmetric) for the bulk mode and two for the mixed mode. The detailed calculation is presented for various types of multicomponent semiconductor superlattice structures.
引用
收藏
页码：271 / 282
页数：12
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