Journal article
Narrow gap HgCdTe absorption behavior near the band edge including nonparabolicity and the Urbach tail
Applied physics letters, Vol.89(6), pp.062109-062109-3
08/07/2006
DOI: 10.1063/1.2245220
Abstract
An analytical model describing the absorption behavior of HgCdTe is developed that simultaneously considers the contributions from nonparabolic conduction and light hole bands as calculated by a
14
×
14
matrix
k
∙
p
method as well as the Urbach tail. This model is capable of smoothly fitting experimental absorption coefficient curves over energies ranging from the Urbach tail region to the intrinsic absorption region up to
300
meV
above the band gap. Comparisons to the experimental results give good agreement.
Details
- Title: Subtitle
- Narrow gap HgCdTe absorption behavior near the band edge including nonparabolicity and the Urbach tail
- Creators
- Yong Chang - University of Illinois at ChicagoChristoph Grein - University of Illinois at ChicagoSivalingam Sivananthan - University of Illinois at ChicagoM Flatte - University of IowaV Nathan - United States Air Force Research LaboratoryS Guha - United States Air Force Research Laboratory
- Resource Type
- Journal article
- Publication Details
- Applied physics letters, Vol.89(6), pp.062109-062109-3
- Publisher
- American Institute of Physics
- DOI
- 10.1063/1.2245220
- ISSN
- 0003-6951
- eISSN
- 1077-3118
- Language
- English
- Date published
- 08/07/2006
- Academic Unit
- Electrical and Computer Engineering; Physics and Astronomy
- Record Identifier
- 9984428785102771
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