Browsing Fizik Bölümü Makale Koleksiyonu by Publisher "Elsevier"
Now showing items 1-12 of 12
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Effects of external perturbations on light absorption by light/heavy hole excitons in a semi-parabolic quantum well
(Elsevier, 2023)The effects of electric, magnetic, and intense terahertz laser fields on optoelectronic properties are inves- tigated in a GaAs/Al x Ga 1-x As semi-parabolic quantum well. The binding energy, exciton light absorption ... -
Effects of the confinement potential parameters and optical intensity on the linear and nonlinear optical properties of spherical quantum dots
(Elsevier, 01.01.2023)We study the linear and nonlinear optical properties of a spherical GaAs quantum dot with screened modified Kratzer potential (SMKP) by solving the time-independent Schrödinger wave equation using the diagonalization method. ... -
Electric field, magnetic field, and hydrostatic pressure effects on the absorption coefficient for GaAs/Al𝑥���Ga1−𝑥���As/Al0.3Ga0.7As staggered core–shell–shell spherical quantumdots
(Elsevier, 2023)Quantum dot’s optical properties are of great interest from the point of view of basic physics, as well as for their possible applications in optoelectronic devices. Among the large number of possible quantum dot ... -
High harmonic generations in GaAs/AlGaAs superlattice: Effect of electric and magnetic field
(Elsevier, 2023)In this study, we have examined the nonlinear optical rectification (NOR), the second harmonic generation (SHG), and the third harmonic generation (THG) coefficients of the AlxGa1-xAs/GaAs superlattice with a periodically ... -
High harmonic generations triggered by the intense laser field in GaAs/ AlxGa1-xAs honeycomb quantum well wires
(Elsevier, 2023)Under constant electric and magnetic fields, the potential profile of the honeycomb quantum well wire (HQWW) is studied for varying intense laser fields to trigger and optimize high harmonics (nonlinear optical rectification, ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
(Elsevier, 13 July 20)In this work, we perform a theoretical investigation on the effect of position-dependent effective mass on binding energy and optical absorption coefficient for donor impurities in single and double quantum wells defined ... -
Linear and nonlinear optical properties of a superlattice with periodically increased well width under electric and magnetic fields
(Elsevier, 14.04.2022)In this paper, we have studied the electronic and optical properties of GaAs/AlxGa1-xAs superlattice with periodically increased well width. Under effective mass approximation, the finite element method is used to obtain ... -
Linear and nonlinear optical properties of semi-elliptical InAs quantum dots: Effects of wetting layer thickness and electric field
(Elsevier, 06.06.2022)In this paper, we have studied the optical properties of semi-elliptical InAs quantum dots (QDs) embedded in GaAs. Under effective mass approximation, the finite element method has been used to obtain wavefunctions and ... -
Magneto-optical properties of impurity associated photoionization cross-section in laser-driven delta-doped quantum wires
(Elsevier, 27 July 20)Within the structure of parabolic band and effective-mass approximations, the effects of magnetic and intense terahertz laser fields on the donor impurity-associated photoionization cross-section and nonlinear optical ... -
Neural network estimations of annealed and non-annealed Schottky diode characteristics at wide temperatures range
(Elsevier, 15/06/2022)In this study, Artificial Neural Network (ANN) model has been proposed to characterize the annealed and the non-annealed Schottky diode from experimental data. The experimental current values of Ni/n-type 6H–SiC Schottky ... -
Nonlinear absorption coefficient and relative refractive index change for Konwent potential quantum well as a function of intense laser field effect
(Elsevier, 2023)Optoelectronic properties of semiconductor quantum wells are among the most studied issues in solid state device physics. However, this is a topic that deserves attention because of the particular potential energy shape ... -
Position-dependent-mass and laser field impact on the optical characteristics of Manning-like double quantum well
(Elsevier, 2023)A theoretical investigation of the optical and electronic properties produced by a Manning-type double quantum well under the impact of varied electron effective mass and intense laser field has been implemented within ...