Browsing Fizik Bölümü by Language "eng"
Now showing items 21-40 of 132
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Effect of size modulation and donor position on intersubbands refractive index changes of a donor within a spherical core/shell/shell semiconductor quantum dot
(2021/9/24)In the current study, linear, nonlinear and total relative refractive index changes of a single shallow hydrogenic donor atom confined in semiconductor core/shell/shell quantum dot heterostructure are investigated in detail ... -
Effect of substrate temperature on Raman study and optical properties of GeOx/ Si thin films
(Springer, 2023)In this study, GeOx thin films were deposited onto Si substrates using the RF magnetron sputtering method. We looked at how the temperature of the substrate affected the Raman spectra and optical characteristics of GeOx ... -
Effect of the Woods-Saxon Spin–Orbit Term on the Nuclear Spectra: 18O Application
(20/03/2022)One of the successes in describing the nuclear structure correctly is taking into account the spin–orbit interaction. Thus, single-particle energies and nuclear magic numbers can be obtained accurately. The main subject ... -
Effects of applied electric and magnetic fields on the nonlinear optical properties of asymmetric GaAs/Ga1-xAlxAs double inverse parabolic quantum well
(2015)The combined effects of electric and magnetic fields on the optical absorption coefficients and refractive index changes related to the intersubband transitions within the conduction band of asymmetric GaAs/Ga(1-x)Al(x)As ... -
Effects of Applied Magnetic Field on the Optical Properties and Binding Energies Spherical GaAs Quantum Dot with Donor Impurity
(2022/8/10)The screened modified Kratzer potential (SMKP) model is utilized to scrutinize the impacts of an applied magnetic field (MF) on the binding energies and linear and nonlinear optical properties spherical GaAs quantum dot ... -
Effects of external electric and magnetic field on the nonlinear optical rectification, second, and third-harmonic generations in GaAs/AlGaAs asymmetric triple quantum well
(Springer Berlin Heidelberg, 2023/7/31)In this paper, we theoretically investigate the nonlinear optical rectification (NOR), second-harmonic generation (SHG), and third-harmonic generation (THG) coefficients of an AlGaAs/GaAs asymmetric triple quantum well ... -
Effects of external fields on the nonlinear optical rectification and second harmonic generation of GaAs/GaAlAs zigzag quantum well
(2023)For the first time, the impact of externally applied static electric and magnetic field on the nonlinear op- tical rectification (NOR) and second harmonic generation (SHG) coefficients of GaAs/GaAlAs zigzag quan- tum well ... -
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 intense laser field and position dependent effective mass in Razavy quantum wells and quantum dots
(2021)Using the effective mass and parabolic band approximations, we investigated the position-dependent effective mass and non-resonant intense laser field effects on the first and third-order corrections of the absorption and ... -
Effects of Intense Laser Field on Electronic and Optical Properties of Harmonic and Variable Degree Anharmonic Oscillators
(2022)In this paper, we calculated the electronic and optical properties of the harmonic oscillator and single and double anharmonic oscillators, including higher-order anharmonic terms such as the quartic and sextic under the ... -
Effects of magnetic and electric fields on the hydrogenic impurity in an ellipsoidal parabolic quantum dot
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2008)The binding energy of a hydrogen-like impurity in an ellipsoidal parabolic quantum dot under the magnetic and electric fields have been discussed by using the effective mass approximation and the variational method. We ... -
Effects of rare earth element Gd on microstructure, thermodynamic parameters, mechanical, and shape recovery properties of CuAlTa alloys
(Springer International Publishing, 2023/11)The microstructure, thermodynamic parameters, mechanical properties, and shape recovery properties of alloys consisting of Cu83.5−xAl13.5Ta3Gdx (x=0,0.5,1 mass%) alloy were investigated. Results showed that the addition ... -
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 effect on the intersubband optical absorption of GeSn quantum wells with parabolically graded barriers
(Publisher name SPRINGER HEIDELBERG, 2023)In this study, we propose a theoretical simulation of a Ge0.9Sn0.1 rectangular SQW with GeSn parabolically graded barriers (PGBs) in the terahertz (THz) region. The discrete intra-band confined energy levels and their ... -
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 ... -
Electronic and optical properties of a D+ 2 complex in two-dimensional quantum dots with Gaussian confinement potential
(2022)Using the two-dimensional diagonalization method and the effective mass approximation, the electronic structure and intersubband optical absorption of the singly ionized double donor complex confined in a Gaussian quantum ... -
Electronic and optical properties of a D-2(+) complex in two-dimensional quantum dots with Gaussian confinement potential
(2022/4/1)Using the two-dimensional diagonalization method and the effective mass approximation, the electronic structure and intersubband optical absorption of the singly ionized double donor complex confined in a Gaussian quantum ... -
Electronic and optical properties of the exponential and hyperbolic Rosen–Morse types quantum wells under applied magnetic field
(Springer, 2023)In this study, we considered the electronic and optical properties of quantum wells with the exponential and hyperbolic Rosen–Morse potentials under an appliedmagnetic field. Calculations aremade within the framework of ... -
Electronic Transport Properties in GaAs/AlGaAs and InSe/InP Finite Superlattices under the Effect of a Non-Resonant Intense Laser Field and Considering Geometric Modifications
(2022)In this work, a finite periodic superlattice is studied, analyzing the probability of electronic transmission for two types of semiconductor heterostructures, GaAs/AlGaAs and InSe/InP. The changes in the maxima of the ... -
Energy spectrum and interlevel transitions within the conduction band of a D_2^+ complex confined in a spherical quantum dot
(2022/12)In this work, we have performed a theoretically study on the energy spectrum, binding energy and interlevel transitions within the conduction band of a D+2 complex confined in a spherical quantum dot with finite confinement ...