Velocity-field relation in GaAlAs versus alloy composition

S. Hava; M. Auslender

doi:10.1063/1.353985

Velocity-field relation in GaAlAs versus alloy composition

S. Hava, M. Auslender

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

High electric field transport in n-Ga_1-xAl_xAs semiconductor alloys for composition x range from 0.0 to 0.5 is studied theoretically. The calculations are based on a shifted Maxwellian approach for the three-valley conduction-band model. An expression for the alloy scattering probability involving no fitting parameters is used in these calculations. The calculations predict a close to linear decrease of peak velocity with an increase in the alloy composition x. The absence of the onset of negative differential mobility at x≥0.35 is found.

Original language	English
Pages (from-to)	7431-7434
Number of pages	4
Journal	Journal of Applied Physics
Volume	73
Issue number	11
DOIs	https://doi.org/10.1063/1.353985
State	Published - 1 Dec 1993

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.353985

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title = "Velocity-field relation in GaAlAs versus alloy composition",

abstract = "High electric field transport in n-Ga1-xAlxAs semiconductor alloys for composition x range from 0.0 to 0.5 is studied theoretically. The calculations are based on a shifted Maxwellian approach for the three-valley conduction-band model. An expression for the alloy scattering probability involving no fitting parameters is used in these calculations. The calculations predict a close to linear decrease of peak velocity with an increase in the alloy composition x. The absence of the onset of negative differential mobility at x≥0.35 is found.",

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AB - High electric field transport in n-Ga1-xAlxAs semiconductor alloys for composition x range from 0.0 to 0.5 is studied theoretically. The calculations are based on a shifted Maxwellian approach for the three-valley conduction-band model. An expression for the alloy scattering probability involving no fitting parameters is used in these calculations. The calculations predict a close to linear decrease of peak velocity with an increase in the alloy composition x. The absence of the onset of negative differential mobility at x≥0.35 is found.

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Velocity-field relation in GaAlAs versus alloy composition

Abstract

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