Exciton dynamics in a single quantum well with self-assembled islands

被引:10
作者
Marquezini, MV
Brasil, MJSP
Brum, JA
Poole, P
Charbonneau, S
Tamargo, MC
机构
[1] NATL RES COUNCIL,INST MICROSTRUCT SCI,OTTAWA,ON,CANADA
[2] CUNY CITY COLL,DEPT CHEM,NEW YORK,NY 10031
来源
PHYSICAL REVIEW B | 1996年 / 53卷 / 24期
关键词
D O I
10.1103/PhysRevB.53.16524
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present a study on the exciton dynamics in a thin quantum well grown with self-assembled islands with thicknesses ranging from 1 to 5 ML. The exciton dynamics is investigated by combinining continuous-wave and time-resolved photoluminescence measurements as a function of temperature. We analyze the exciton dynamics through a system of rate equations and we are able to obtain quantitative information on the exciton localization at the interface roughness.
引用
收藏
页码:16524 / 16530
页数:7
相关论文
共 24 条
[1]   RADIATIVE LIFETIME OF FREE-EXCITONS IN QUANTUM-WELLS [J].
ANDREANI, LC ;
TASSONE, F ;
BASSANI, F .
SOLID STATE COMMUNICATIONS, 1991, 77 (09) :641-645
[2]   EXCITON DYNAMICS IN INXGA1-XAS/GAAS QUANTUM-WELL HETEROSTRUCTURES - COMPETITION BETWEEN CAPTURE AND THERMAL EMISSION [J].
BACHER, G ;
HARTMANN, C ;
SCHWEIZER, H ;
HELD, T ;
MAHLER, G ;
NICKEL, H .
PHYSICAL REVIEW B, 1993, 47 (15) :9545-9555
[3]   EXCITON DYNAMICS FOR EXTENDED MONOLAYER ISLANDS IN THIN IN0.53GA0.47AS/INP QUANTUM-WELLS [J].
BACHER, G ;
KOVAC, J ;
STREUBEL, K ;
SCHWEIZER, H ;
SCHOLZ, F .
PHYSICAL REVIEW B, 1992, 45 (16) :9136-9144
[4]   INTERFACES IN GAAS/AIAS - PERFECTION AND APPLICATIONS [J].
BODE, MH ;
OURMAZD, A .
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1992, 10 (04) :1787-1792
[5]  
BOHRER J, 1992, APPL PHYS LETT, V60, P2258, DOI 10.1063/1.107047
[6]   INGAAS/INP QUANTUM-WELLS WITH THICKNESS MODULATION [J].
BRASIL, MJSP ;
BERNUSSI, AA ;
COTTA, MA ;
MARQUEZINI, MV ;
BRUM, JA ;
HAMM, RA ;
CHU, SNG ;
HARRIOTT, LR ;
TEMKIN, H .
APPLIED PHYSICS LETTERS, 1994, 65 (07) :857-859
[7]   ROUGHNESS AT THE INTERFACE OF THIN INP/INAS QUANTUM-WELLS [J].
BRASIL, MJSP ;
NAHORY, RE ;
TAMARGO, MC ;
SCHWARZ, SA .
APPLIED PHYSICS LETTERS, 1993, 63 (19) :2688-2690
[8]   RADIATIVE LIFETIMES OF EXCITONS IN QUANTUM-WELLS - LOCALIZATION AND PHASE-COHERENCE EFFECTS [J].
CITRIN, DS .
PHYSICAL REVIEW B, 1993, 47 (07) :3832-3841
[9]   TEMPERATURE-DEPENDENCE OF EXCITON LIFETIMES IN GAAS/ALGAAS QUANTUM-WELL STRUCTURES [J].
COLOCCI, M ;
GURIOLI, M ;
VINATTIERI, A ;
FERMI, F ;
DEPARIS, C ;
MASSIES, J ;
NEU, G .
EUROPHYSICS LETTERS, 1990, 12 (05) :417-422
[10]   DYNAMICS OF EXCITON TRANSFER BETWEEN MONOLAYER-FLAT ISLANDS IN SINGLE QUANTUM-WELLS [J].
DEVEAUD, B ;
DAMEN, TC ;
SHAH, J ;
TU, CW .
APPLIED PHYSICS LETTERS, 1987, 51 (11) :828-830