WAVE-FUNCTION LOCALIZATION IN FIBONACCI QUASI-PERIODIC GAAS GAALAS SUPERLATTICES UNDER ELECTRIC-FIELD

被引：13
|
作者：
LARUELLE, F [1 ]
ETIENNE, B [1 ]
BARRAU, J [1 ]
KHIROUNI, K [1 ]
BRABANT, JC [1 ]
AMAND, T [1 ]
BROUSSEAU, M [1 ]
机构：
[1] INST NATL SCI APPL,PHYS SOLIDES LAB,F-31077 TOULOUSE,FRANCE
来源：
SURFACE SCIENCE | 1990年 / 228卷 / 1-3期
关键词：
D O I：
10.1016/0039-6028(90)90266-B
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：
We report on photocurrent spectra of quasiperiodic superlattices which are greatly modified when an electric field is applied along the growth axis. We explain this behavior with a simple tight-binding model including only the superlattices sequences on which the different electronic states are peaked at zero electric field thus confirming the wavefunction "localization" of critical states. © 1990.
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页码：92 / 95
页数：4
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