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Hot-carrier energy-loss rates in alloy semiconductors

Hot-carrier energy-loss rates in alloy semiconductors We describe a formalism to calculate the rates of hot-carrier cooling via phonon emission in ternary alloys of III-V and II-VI compound semiconductors. The coupled dynamics of hot carriers and hot optical phonons is incorporated to include hot-phonon effects. The energy-loss rate calculations take into account the various effects specific to mixed crystals such as occurrence of additional phonon modes and modifications of the Fröhlich and other dominant carrier-phonon interactions for alloy systems. Using this formalism, hot-carrier energy-loss rates in the case of CdS, CdSe, and CdS 0.5 Se 0.5 are calculated with and without hot-phonon effects, as an illustration. © 1996 The American Physical Society. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Hot-carrier energy-loss rates in alloy semiconductors

Physical Review B , Volume 53 (12) – Mar 15, 1996
4 pages

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Publisher
American Physical Society (APS)
Copyright
Copyright © 1996 The American Physical Society
ISSN
1095-3795
DOI
10.1103/PhysRevB.53.7815
Publisher site
See Article on Publisher Site

Abstract

We describe a formalism to calculate the rates of hot-carrier cooling via phonon emission in ternary alloys of III-V and II-VI compound semiconductors. The coupled dynamics of hot carriers and hot optical phonons is incorporated to include hot-phonon effects. The energy-loss rate calculations take into account the various effects specific to mixed crystals such as occurrence of additional phonon modes and modifications of the Fröhlich and other dominant carrier-phonon interactions for alloy systems. Using this formalism, hot-carrier energy-loss rates in the case of CdS, CdSe, and CdS 0.5 Se 0.5 are calculated with and without hot-phonon effects, as an illustration. © 1996 The American Physical Society.

Journal

Physical Review BAmerican Physical Society (APS)

Published: Mar 15, 1996

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