DocumentCode
2785617
Title
Doping effect on carrier occupation and transport in InAs/GaAs quantum dot infrared photodetectors: A capacitance-voltage spectroscopy study
Author
Zhao, Zhiya ; Lantz, Kevin R. ; Yi, Changhyun ; Stiff-Roberts, Adrienne D.
Author_Institution
Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708 USA
fYear
2007
fDate
6-11 May 2007
Firstpage
1
Lastpage
2
Abstract
Impurity centers induced by dopants in InAs/GaAs quantum-dot systems affect energy level occupation and carrier transport in multi-layer QDIPs. In order to better understand doping effects and to optimize device performance, capacitance-voltage spectra are investigated.
Keywords
Capacitance-voltage characteristics; Doping; Energy states; Gallium arsenide; Impurities; Infrared detectors; Infrared spectra; Photodetectors; Quantum dots; Spectroscopy;
fLanguage
English
Publisher
ieee
Conference_Titel
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location
Baltimore, MD, USA
Print_ISBN
978-1-55752-834-6
Type
conf
DOI
10.1109/QELS.2007.4431210
Filename
4431210
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