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Photo–elasto–thermodiffusion waves of semiconductor with ramp-type heating for electrons–holes-coupled model with initial stress
Faculty
Science
Year:
2022
Type of Publication:
ZU Hosted
Pages:
Authors:
Khaled Lotfy Mohamed Azab
Staff Zu Site
Abstract In Staff Site
Journal:
Waves in Random and Complex Media © 2019 Informa UK Limited, trading as Taylor & Francis Group
Volume:
Keywords :
Photo–elasto–thermodiffusion waves of semiconductor with ramp-type heating
Abstract:
This article introduces mathematical, theoretical physics model when the interaction between the electrons and holes for the semiconductor medium is investigated. The model is studied in the generalized elasto-thermodiffusion (ETD) theory with the initial stress impact during the photothermal (PT) excitation. The governing equations give a detailed account of a one-dimensional (1D) thermoelastic (TD) and electronic(ED) deformation. The basic equations are obtained for the elastic medium without dispersion in a nondimensional case. The hole charge carrier, displacement, thermal and plasma waves are coupled due to photo-thermal excitation. The Laplace transform method has been applied to solve the coupled principle governing equations. The boundary conditions are applied according to ramp-type heating to obtain the principle fields analytically in Laplace domain. Laplace transform inversion is used numerically to obtain the complete solutions in time domain for the basic fields. The effects of relaxation times according to the photo-thermoelasticity theories and the impact of initial stress are obtained graphically (2D and 3D plots) and discussed with comparing between silicon and germanium semiconductor materials
Author Related Publications
Khaled Lotfy Mohamed Azab, "Analytical solution of fractional order heat equation under the effects of variable thermal conductivity during photothermal excitation of spherical cavity of semiconductor medium", © 2019 Informa UK Limited, trading as Taylor & Francis Group, 2019
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Khaled Lotfy Mohamed Azab, "Thermal Ramp Type of Photo-Thermal Excitation in Hall Current and Variable Thermal Conductivity of Semiconductor Elastic Material", # Springer Nature B.V. 2020, 2020
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Khaled Lotfy Mohamed Azab, "Normal Mode Method for Two-Temperature Generalized Thermoelasticity under Thermal Shock Problem", Taylor & Francis, 2014
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Khaled Lotfy Mohamed Azab, "The effect of a magnetic field on a 2D problem of fibre-reinforced thermoelasticity rotation under three theories,", Chinese, 2014
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Khaled Lotfy Mohamed Azab, "Mode-I crack in a two-dimensional fibre-reinforced generalized thermoelastic problem,", Chinese, 2014
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