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Thermo-Elastodifusive Waves in Semiconductor Excitation Medium with Laser Pulses under Two Temperature Photo-Thermoelasticity Theory
Faculty
Science
Year:
2022
Type of Publication:
ZU Hosted
Pages:
Authors:
Khaled Lotfy Mohamed Azab
Staff Zu Site
Abstract In Staff Site
Journal:
Mathematics MDPI
Volume:
Keywords :
Thermo-Elastodifusive Waves , Semiconductor Excitation Medium with Laser
Abstract:
: The current work aims to investigate elasto-thermodiffusive wave propagation in a homogeneous, isotropic, and thermally conducting excited semiconductor medium. The two-temperature theory is utilized in the context of the linear photo-thermoelasticity (PTE) theory of semiconductors. Thermal and elastic memories found in the equations for heat, motion, and charge carrier field are taken into account. The governing equations are applied according to the mass-diffusion transport processes in one dimension (1D), under the influence of optoelectronics with a non-Gaussian laser pulse. Laplace transforms for dimensionless quantities are utilized to obtain the analytical linear solutions for the main quantities during thermoelastic (TD) and electronic (ED) deformation. The numerical approximations solutions of the primary relevant relations are done in the Laplace inverse time domain to observe the exact expressions of the main physical quantities according to some boundary surface conditions. The physical parameters of silicon (Si) semiconductor material are used to obtain the numerical computational results. According to the difference of the thermal memories and two-temperature parameters, the wave propagation of the physical fields is obtained graphically and the results are discussed and analyzed theoretically.
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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