HYDROGEN PASSIVATION OF INTERFACE DEFECTS IN GAAS/ALAS SHORT-PERIOD SUPERLATTICES

被引:9
作者
FISCHER, R
PETER, G
GOBEL, EO
CAPIZZI, M
FROVA, A
FISCHER, A
PLOOG, K
机构
[1] UNIV MARBURG,FACHBEREICH PHYS,W-3550 MARBURG,GERMANY
[2] UNIV MARBURG,ZENTRUM MAT WISSENSCH,W-3550 MARBURG,GERMANY
[3] UNIV ROME LA SAPIENZA,DIPARTIMENTO FIS,I-00185 ROME,ITALY
[4] MAX PLANCK INST FESTKORPERFORSCH,W-7000 STUTTGART 80,GERMANY
关键词
D O I
10.1063/1.106851
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have observed an increase of overall luminescence intensity and carrier lifetimes of GaAs/AlAs short-period superlattices after exposure of the samples to low-energy hydrogen ion-gun irradiation. We conclude from our data that interface defects which may become important as nonradiative recombination centers in short-period superlattices with only a few monolayers period can be passivated by hydrogen.
引用
收藏
页码:2788 / 2790
页数:3
相关论文
共 8 条
  • [1] PICOSECOND SPECTROSCOPY OF HYDROGENATED MBE-GAAS
    CAPIZZI, M
    COLUZZA, C
    FRANKL, P
    FROVA, A
    COLOCCI, M
    GURIOLI, M
    VINATTIERI, A
    SACKS, RN
    [J]. PHYSICA B, 1991, 170 (1-4): : 561 - 565
  • [2] CAPIZZI M, 1992, MATER SCI FORUM, V8387, P599
  • [3] LINEWIDTH DEPENDENCE OF RADIATIVE EXCITON LIFETIMES IN QUANTUM-WELLS
    FELDMANN, J
    PETER, G
    GOBEL, EO
    DAWSON, P
    MOORE, K
    FOXON, C
    ELLIOTT, RJ
    [J]. PHYSICAL REVIEW LETTERS, 1987, 59 (20) : 2337 - 2340
  • [4] FELDMANN J, 1988, PHYS REV LETT, V60, pE243
  • [5] SHORT PULSE PHYSICS OF QUANTUM WELL STRUCTURES
    GOBEL, EO
    KUHL, J
    HOGER, R
    [J]. JOURNAL OF LUMINESCENCE, 1985, 30 (1-4) : 541 - 550
  • [6] FABRICATION AND OPTICAL-PROPERTIES OF SEMICONDUCTOR QUANTUM-WELLS AND SUPERLATTICES
    GOBEL, EO
    PLOOG, K
    [J]. PROGRESS IN QUANTUM ELECTRONICS, 1990, 14 (04) : 289 - 356
  • [7] MADELUNG O, 1987, SEMICONDUCTORS INT A, V22
  • [8] OSCILLATORY BEHAVIOR IN THE PHOTOLUMINESCENCE EXCITATION AND PHOTOCONDUCTIVITY SPECTRA OF GAAS-ALAS SUPERLATTICES
    MOORE, KJ
    DUGGAN, G
    DAWSON, P
    FOXON, CT
    PULSFORD, NJ
    NICHOLAS, RJ
    [J]. PHYSICAL REVIEW B, 1989, 39 (02): : 1219 - 1223