Title :
A high density effect on exciton luminescence in a ZnO/ZnMgO single quantum well
Author :
Sakamoto, T. ; Yoshitake, J. ; Yoshioka, K. ; Tsukazaki, A. ; Kawasaki, M. ; Kuwata-Gonokami, M.
Author_Institution :
Dept. of Appl. Phys., Univ. of Tokyo, Tokyo
Abstract :
The Quantum Confined Stark Effect due to an intrinsic internal electric field followed by a blueshift with increasing excitation intensity is observed. This blueshift is the result of screening by high density of electron-holes.
Keywords :
II-VI semiconductors; Stark effect; excitons; magnesium compounds; photoluminescence; semiconductor quantum wells; wide band gap semiconductors; zinc compounds; ZnO-ZnMgO; blueshift; electron-holes; exciton luminescence; high density effect; intrinsic internal electric field; quantum confined Stark effect; single quantum well; Charge carrier processes; Excitons; Hall effect; Laser excitation; Luminescence; Physics; Piezoelectric polarization; Potential well; Stark effect; Zinc oxide;
Conference_Titel :
Nano-Optoelectronics Workshop, 2008. i-NOW 2008. International
Conference_Location :
Shonan Village
Print_ISBN :
978-1-4244-2656-0
DOI :
10.1109/INOW.2008.4634515