Title
H-band emission in single heterojunctions.
Abstract
We report on the observation of a very strong, broad and asymmetric H-band photoluminescence (PL) spectrum in silica delta-doped p-type Al0.35Ga0.65As-GaAs heterojunctions (SHs). Doping type (n- or p-type) dramatically changes the H-band PL emission. When optical excitation intensity increases by two orders of magnitude, a redshift of H-band in the delta-doped p-type SH is as large as 27 meV. The results of self-consistent calculation of coupled Schrodinger and Poisson equations and PL analysis indicate that the H-band originates from effective band-gap renormalization due to two-dimensional hole-gas. (C) 2003 Elsevier Science Ltd. All rights reserved.
Year
DOI
Venue
2003
10.1016/S0026-2692(03)00119-8
MICROELECTRONICS JOURNAL
Keywords
Field
DocType
semiconductor heterojunctions,band-gap renormalization,photoluminescence
Renormalization,Redshift,Doping,Excitation,H band,Order of magnitude,Heterojunction,Condensed matter physics,Photoluminescence,Physics
Journal
Volume
Issue
ISSN
34
5-8
0026-2692
Citations 
PageRank 
References 
0
0.34
0
Authors
7
Name
Order
Citations
PageRank
F. Qu101.69
Antônio Tadeu Lino200.34
N. O. Dantas302.03
P.C. Morais401.01
E.C.F. da Silva500.68
A.A. Quivy612.99
J.R. Leite712.99