The effects of light-heavy hole transitions on the cutoff wavelengths of far infrared detectors

A. G. U. Perera; S. G. Matsik; M. B. M. Rinzan; A. B. Weerasekara; M. Alevli; H. Liu; M. Buchanan; B. Zvonkov; V. I. Gavrilenko

doi:10.1016/S1350-4495(03)00154-3

The effects of light-heavy hole transitions on the cutoff wavelengths of far infrared detectors

A. G. U. Perera
, S. G. Matsik
, M. B. M. Rinzan
, A. B. Weerasekara
, M. Alevli
, H. Liu
, M. Buchanan
, B. Zvonkov
, V. I. Gavrilenko

Physics of Living Systems

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Results are presented on the effects of doping variation on the cutoff wavelength (λc) of homojunction interfacial workfunction internal photoemission far infrared detectors. The behavior at low doping (<1019 cm−3) is well predicted by the free carrier absorption model used previously. However at high doping the observed λc is much shorter than the values predicted by the workfunction obtained from Arrhenius plots. An explanation for the reduced λc in the high doping region is presented using a model for depletion of the heavy hole band due to direct transitions from the heavy hole to light hole band.

Original language	English
Pages (from-to)	347-353
Number of pages	7
Journal	Infrared Physics and Technology
Volume	44
Issue number	5/6
Early online date	13 Aug 2003
DOIs	https://doi.org/10.1016/S1350-4495(03)00154-3
Publication status	Published - Oct 2003

Bibliographical note

Part of special issue: Proceedings of the Workshop on Quantum Well Infrared Photodetectors. Edited by G.Sarusi, A.Carbone, S.D.Gunapala and H.C.Liu

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title = "The effects of light-heavy hole transitions on the cutoff wavelengths of far infrared detectors",

abstract = "Results are presented on the effects of doping variation on the cutoff wavelength (λc) of homojunction interfacial workfunction internal photoemission far infrared detectors. The behavior at low doping (<1019 cm−3) is well predicted by the free carrier absorption model used previously. However at high doping the observed λc is much shorter than the values predicted by the workfunction obtained from Arrhenius plots. An explanation for the reduced λc in the high doping region is presented using a model for depletion of the heavy hole band due to direct transitions from the heavy hole to light hole band.",

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note = "Part of special issue: Proceedings of the Workshop on Quantum Well Infrared Photodetectors. Edited by G.Sarusi, A.Carbone, S.D.Gunapala and H.C.Liu",

year = "2003",

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doi = "10.1016/S1350-4495(03)00154-3",

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TY - JOUR

T1 - The effects of light-heavy hole transitions on the cutoff wavelengths of far infrared detectors

AU - Perera, A. G. U.

AU - Matsik, S. G.

AU - Rinzan, M. B. M.

AU - Weerasekara, A. B.

AU - Alevli, M.

AU - Liu, H.

AU - Buchanan, M.

AU - Zvonkov, B.

AU - Gavrilenko, V. I.

N1 - Part of special issue: Proceedings of the Workshop on Quantum Well Infrared Photodetectors. Edited by G.Sarusi, A.Carbone, S.D.Gunapala and H.C.Liu

PY - 2003/10

Y1 - 2003/10

N2 - Results are presented on the effects of doping variation on the cutoff wavelength (λc) of homojunction interfacial workfunction internal photoemission far infrared detectors. The behavior at low doping (<1019 cm−3) is well predicted by the free carrier absorption model used previously. However at high doping the observed λc is much shorter than the values predicted by the workfunction obtained from Arrhenius plots. An explanation for the reduced λc in the high doping region is presented using a model for depletion of the heavy hole band due to direct transitions from the heavy hole to light hole band.

AB - Results are presented on the effects of doping variation on the cutoff wavelength (λc) of homojunction interfacial workfunction internal photoemission far infrared detectors. The behavior at low doping (<1019 cm−3) is well predicted by the free carrier absorption model used previously. However at high doping the observed λc is much shorter than the values predicted by the workfunction obtained from Arrhenius plots. An explanation for the reduced λc in the high doping region is presented using a model for depletion of the heavy hole band due to direct transitions from the heavy hole to light hole band.

U2 - 10.1016/S1350-4495(03)00154-3

DO - 10.1016/S1350-4495(03)00154-3

M3 - Article

SN - 1350-4495

VL - 44

SP - 347

EP - 353

JO - Infrared Physics and Technology

JF - Infrared Physics and Technology

IS - 5/6

ER -

The effects of light-heavy hole transitions on the cutoff wavelengths of far infrared detectors

Abstract

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