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Proceedings Paper

InAs/InAsSb Type-II superlattice: a promising material for mid-wavelength and long-wavelength infrared applications
Author(s): Oray O. Cellek; Hua Li; Xiao-Meng Shen; Zhiyuan Lin; Elizabeth H. Steenbergen; Ding Ding; Shi Liu; Qiang Zhang; Ha Sul Kim; Jin Fan; Michael J. DiNezza; W. Hank G. Dettlaff; Preston T. Webster; Zhaoyu He; Jing-Jing Li; Shane R. Johnson; David J. Smith; Yong-Hang Zhang
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Paper Abstract

Optical and structural properties of InAs/InAsSb type-II superlattices (T2SL) and their feasibility for mid- and longwavelength infrared (MWIR and LWIR) photodetector applications are investigated. The InAs/InAsSb T2SL structures with a broad bandgap range covering 4 μm to 12 μm are grown by molecular beam epitaxy and characterized by highresolution x-ray diffraction and photoluminescence (PL) spectroscopy. All of the samples have excellent structural properties and strong PL signal intensities of the same order of magnitude, indicating that non-radiative recombination is not dominant and the material system is promising for high performance MWIR and LWIR detectors and multiband FPAs.

Paper Details

Date Published: 31 May 2012
PDF: 6 pages
Proc. SPIE 8353, Infrared Technology and Applications XXXVIII, 83533F (31 May 2012); doi: 10.1117/12.925076
Show Author Affiliations
Oray O. Cellek, Arizona State Univ. (United States)
Hua Li, Arizona State Univ. (United States)
Xiao-Meng Shen, Arizona State Univ. (United States)
Zhiyuan Lin, Arizona State Univ. (United States)
Elizabeth H. Steenbergen, Arizona State Univ. (United States)
Ding Ding, Arizona State Univ. (United States)
Shi Liu, Arizona State Univ. (United States)
Qiang Zhang, Arizona State Univ. (United States)
Ha Sul Kim, Arizona State Univ. (United States)
Jin Fan, Arizona State Univ. (United States)
Michael J. DiNezza, Arizona State Univ. (United States)
W. Hank G. Dettlaff, Arizona State Univ. (United States)
Preston T. Webster, Arizona State Univ. (United States)
Zhaoyu He, Arizona State Univ. (United States)
Jing-Jing Li, Arizona State Univ. (United States)
Shane R. Johnson, Arizona State Univ. (United States)
David J. Smith, Arizona State Univ. (United States)
Yong-Hang Zhang, Arizona State Univ. (United States)


Published in SPIE Proceedings Vol. 8353:
Infrared Technology and Applications XXXVIII
Bjørn F. Andresen; Gabor F. Fulop; Paul R. Norton, Editor(s)

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