OPTICAL MODES IN GAAS ALAS SUPERLATTICES

被引：114
|
作者：
CHAMBERLAIN, MP [1 ]
CARDONA, M [1 ]
RIDLEY, BK [1 ]
机构：
[1] UNIV ESSEX,DEPT PHYS,COLCHESTER CO4 3SQ,ESSEX,ENGLAND
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.48.14356
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We describe a continuum model of optical phonons in GaAs/AlAs superlattices which consists of a linear combination of LO, TO, and interface modes. The model describes the mixing of confined and interface modes as the in-plane phonon wave vectors are varied. We derive an analytical expression for the dispersion relation and a detailed comparison is made with two different microscopic models. Excellent agreement is found for [111] superlattices and good agreement is found with [100] superlattices, especially if we take into account that the mechanical vibrations are not quite confined to the nominal GaAs layers.
引用
收藏
页码：14356 / 14364
页数：9
相关论文
共 50 条
  • [31] ELECTRONIC AND OPTICAL-PROPERTIES OF CORRUGATED GAAS/ALAS SUPERLATTICES
    JOUANIN, C
    BERTHO, D
    [J]. SUPERLATTICES AND MICROSTRUCTURES, 1994, 16 (03) : 229 - 233
  • [32] Optical studies on a series of AlAs/GaAs short period superlattices
    Oh, MS
    Choi, SG
    Kim, YD
    Woo, DH
    Koh, EH
    Kim, SH
    Kang, KN
    Rhee, SJ
    Woo, JC
    [J]. JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 1999, 34 : S54 - S57
  • [33] STABILITY OF GAAS/ALAS SUPERLATTICES
    CHRISTENSEN, NE
    [J]. SOLID STATE COMMUNICATIONS, 1988, 68 (10) : 959 - 962
  • [34] ANNEALING OF GAAS/ALAS SUPERLATTICES
    BABAALI, N
    HARRISON, I
    TUCK, B
    HO, HP
    HENINI, M
    HUGHES, OH
    [J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 1990, 1 (03) : 133 - 136
  • [35] Delocalization of phonon-plasmon modes in GaAs/AlAs superlattices with tunnel-thin AlAs barriers
    Volodin, V. A.
    Efremov, M. D.
    Sachkov, V. A.
    [J]. JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS, 2006, 103 (04) : 646 - 653
  • [36] Phonon modes of short-period (GaAs)n/(AlAs)n superlattices
    Yang, TR
    Dvoynenko, MM
    Goncharenko, AV
    [J]. PHYSICS LETTERS A, 2002, 293 (5-6) : 272 - 276
  • [37] Interface polariton modes in GaAs AlAs superlattices with randomly distributed layer thickness
    Chen, XS
    Liu, XQ
    Lu, W
    Shen, SC
    Sasaki, A
    [J]. JOURNAL OF APPLIED PHYSICS, 1999, 85 (11) : 7797 - 7802
  • [38] Laser-frequency dependence of Raman modes in GaAs-AlAs superlattices
    Spencer, GS
    Menendez, J
    [J]. SOLID STATE COMMUNICATIONS, 1996, 97 (01) : 21 - 25
  • [39] Delocalization of phonon-plasmon modes in GaAs/AlAs superlattices with tunnel-thin AlAs barriers
    V. A. Volodin
    M. D. Efremov
    V. A. Sachkov
    [J]. Journal of Experimental and Theoretical Physics, 2006, 103 : 646 - 653
  • [40] HOT-ELECTRON RELAXATION VIA THE EMISSION OF GAAS OPTICAL MODES AND ALAS INTERFACE MODES IN GAAS ALAS MULTIQUANTUM WELLS
    OZTURK, E
    CONSTANTINOU, NC
    STRAW, A
    BALKAN, N
    RIDLEY, BK
    RITCHIE, DA
    LINFIELD, EH
    CHURCHILL, AC
    JONES, GAC
    [J]. SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 1994, 9 (05) : 782 - 785
12345