THE INFLUENCE OF CAPPING LAYERS ON SURFACE PHONON POLARITONS IN SUPERLATTICES

被引:9
作者
BAH, ML [1 ]
AKJOUJ, A [1 ]
ELBOUDOUTI, EH [1 ]
DJAFARIROUHANI, B [1 ]
DOBRZYNSKI, L [1 ]
机构
[1] FAC SCI OUJDA,DEPT PHYS,OUJDA,MOROCCO
关键词
D O I
10.1088/0953-8984/7/18/008
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The influence of capping layers on surface phonon polaritons in two-layer superlattices is investigated here theoretically. General analytical expressions are given. A few illustrative applications are presented afterwards, for p-polarized non-retarded polaritons within GaAs-InAs superlattices with or without an InP capping layer. A few dispersion curves for such polaritons are drawn. The variation of the frequencies of these polaritons with the thickness of the capping layer is given.
引用
收藏
页码:3445 / 3452
页数:8
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