OBSERVATION OF SURFACE-PLASMONS IN DOPED SUPERLATTICES USING FAR INFRARED ATTENUATED TOTAL REFLECTION

被引：11

作者：

DUMELOW, T

PARKER, TJ

TILLEY, DR

BEALL, RB

HARRIS, JJ

机构：

[1] UNIV ESSEX,DEPT PHYS,COLCHESTER CO4 3SQ,ESSEX,ENGLAND

[2] PHILIPS RES LABS,REDHILL RH1 5HA,SURREY,ENGLAND

来源：

SOLID STATE COMMUNICATIONS | 1991年 / 77卷 / 04期

关键词：

D O I：

10.1016/0038-1098(91)90830-O

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report a series of attenuated total reflection (ATR) measurements on a multiply Si-delta-doped GaAs sample. A number of surface plasmon modes are observed, coupled to the GaAs phonons. A good description of the observed modes is obtained by considering the superlattice as a single uniaxial medium whose dielectric tensor has principal components determined using a bulk slab model. The position of the modes is sensitive to the distribution of free carriers between wells and barriers.

引用

页码：253 / 256

页数：4

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