Direct minority carrier transport characterization of InAs/InAsSb superlattice nBn photodetectors
Abstract
We present an extensive characterization of the minority carrier transport properties in an nBn mid-wave infrared detector incorporating a Ga-free InAs/InAsSb type-II superlattice as the absorbing region. Using a modified electron beam induced current technique in conjunction with time-resolved photoluminescence, we were able to determine several important transport parameters of the absorber region in the device, which uses a barrier layer to reduce dark current. For a device at liquid He temperatures we report a minority carrier diffusion length of 750 nm and a minority carrier lifetime of 202 ns, with a vertical diffusivity of 2.78 x 10–2 cm2/s. We also report on the device's optical response characteristics at 78 K.
- Authors:
-
- Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
- Arizona State Univ., Tempe, AZ (United States)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1188579
- Alternate Identifier(s):
- OSTI ID: 1226712
- Report Number(s):
- SAND-2014-20720J
Journal ID: ISSN 0003-6951; APPLAB; 553947
- Grant/Contract Number:
- AC04-94AL85000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 106; Journal Issue: 7; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; III-V semiconductors; photoluminescence; diffusion; carrier generation; electron beams
Citation Formats
Zuo, Daniel, Liu, Runyu, Wasserman, Daniel, Mabon, James, He, Zhao -Yu, Liu, Shi, Zhang, Yong -Hang, Kadlec, Emil A., Olson, Benjamin V., and Shaner, Eric A. Direct minority carrier transport characterization of InAs/InAsSb superlattice nBn photodetectors. United States: N. p., 2015.
Web. doi:10.1063/1.4913312.
Zuo, Daniel, Liu, Runyu, Wasserman, Daniel, Mabon, James, He, Zhao -Yu, Liu, Shi, Zhang, Yong -Hang, Kadlec, Emil A., Olson, Benjamin V., & Shaner, Eric A. Direct minority carrier transport characterization of InAs/InAsSb superlattice nBn photodetectors. United States. https://doi.org/10.1063/1.4913312
Zuo, Daniel, Liu, Runyu, Wasserman, Daniel, Mabon, James, He, Zhao -Yu, Liu, Shi, Zhang, Yong -Hang, Kadlec, Emil A., Olson, Benjamin V., and Shaner, Eric A. Wed .
"Direct minority carrier transport characterization of InAs/InAsSb superlattice nBn photodetectors". United States. https://doi.org/10.1063/1.4913312. https://www.osti.gov/servlets/purl/1188579.
@article{osti_1188579,
title = {Direct minority carrier transport characterization of InAs/InAsSb superlattice nBn photodetectors},
author = {Zuo, Daniel and Liu, Runyu and Wasserman, Daniel and Mabon, James and He, Zhao -Yu and Liu, Shi and Zhang, Yong -Hang and Kadlec, Emil A. and Olson, Benjamin V. and Shaner, Eric A.},
abstractNote = {We present an extensive characterization of the minority carrier transport properties in an nBn mid-wave infrared detector incorporating a Ga-free InAs/InAsSb type-II superlattice as the absorbing region. Using a modified electron beam induced current technique in conjunction with time-resolved photoluminescence, we were able to determine several important transport parameters of the absorber region in the device, which uses a barrier layer to reduce dark current. For a device at liquid He temperatures we report a minority carrier diffusion length of 750 nm and a minority carrier lifetime of 202 ns, with a vertical diffusivity of 2.78 x 10–2 cm2/s. We also report on the device's optical response characteristics at 78 K.},
doi = {10.1063/1.4913312},
journal = {Applied Physics Letters},
number = 7,
volume = 106,
place = {United States},
year = {2015},
month = {2}
}
Web of Science
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Works referencing / citing this record:
Fabrication and Characterization of an InAs(Sb)/In x Ga 1− x As y Sb 1− y Type‐II Superlattice
journal, May 2019
- Du, Peng; Fang, Xuan; Gong, Qian
- physica status solidi (RRL) – Rapid Research Letters, Vol. 13, Issue 12
Carrier Transport in the Valence Band of nBn III–V Superlattice Infrared Detectors
journal, June 2019
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Theoretical study of native point defects in strained-layer superlattice systems
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Temperature-Dependent Minority-Carrier Mobility in -Type / Type-II-Superlattice Photodetectors
journal, February 2019
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- Physical Review Applied, Vol. 11, Issue 2
Fabrication and Characterization of an InAs(Sb)/In x Ga 1− x As y Sb 1− y Type‐II Superlattice
journal, May 2019
- Du, Peng; Fang, Xuan; Gong, Qian
- physica status solidi (RRL) – Rapid Research Letters, Vol. 13, Issue 12