INFLUENCE OF MINIBAND WIDTHS AND INTERFACE DISORDER ON VERTICAL TRANSPORT IN SUPERLATTICES

被引:10
作者
PIAZZA, F
PAVESI, L
VINATTIERI, A
MARTINEZPASTOR, J
COLOCCI, M
机构
[1] UNIV FLORENCE,LENS LAB,I-50125 FLORENCE,ITALY
[2] UNIV FLORENCE,DIPARTIMENTO FIS,I-50125 FLORENCE,ITALY
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 16期
关键词
D O I
10.1103/PhysRevB.47.10625
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The nature of transport through superlattice minibands is addressed in this paper. All-optical techniques have been used to study the vertical transport, monitoring the luminescence from an enlarged well grown within the superlattice. Photoluminescence, photoluminescence excitation spectroscopy, and time-resolved luminescence-decay measurements have been performed as a function of temperature and excitation intensity. A consistent picture emerges from the experimental data, showing the key role played by the superlattice miniband widths and interface disorder on the vertical transport at low temperatures (4-40 K).
引用
收藏
页码:10625 / 10632
页数:8
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