High performance long-wave type-II superlattice infrared detectors

被引:12
作者
Khoshakhlagh, Arezou [1 ]
Hoeglund, Linda [1 ]
Ting, David Z. [1 ]
Hill, Cory J. [1 ]
Keo, Sam A. [1 ]
Soibel, Alexander [1 ]
Nguyen, Jean [1 ]
Gunapala, Sarath D. [1 ]
机构
[1] CALTECH, Jet Prop Lab, Ctr Infrared Sensors, Pasadena, CA 91109 USA
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2013年 / 31卷 / 03期
关键词
Indium antimonides - Quality control - Fighter aircraft - Indium arsenide - Infrared detectors - III-V semiconductors;
D O I
10.1116/1.4798485
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The authors report on growth, material characterization, and device performance of infrared photodetectors based on type II InAs/GaSb superlattices using the complementary barrier infrared detector (CBIRD) design. In this paper, control steps for improvement of material quality in terms of surface, structural, and optical properties of infrared detectors grown at Jet Propulsion Laboratory are described. For a specific CBIRD studied, these quality control steps indicate high structural and optical quality of the grown material. Furthermore, single-element detector from the optimized growth conditions exhibit dark current density less than 1 x 10(-5) A/cm(2) at applied biases up to V-b = 0.36 V (T = 77 K), so this material can be utilized for focal plane arrays development. (C) 2013 American Vacuum Society.
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页数:4
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