Browsing Fizik Bölümü Makale Koleksiyonu by Access Type "info:eu-repo/semantics/openAccess"
Now showing items 41-60 of 73
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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 CdSe/ZnTe core/shell nanostructures with screened modified Kratzer potential
(Springer Berlin Heidelberg, 2023/4/7)In this work, we have theoretically examined the linear, nonlinear and total refractive index changes (RICs) and optical absorption coefficients (OACs) between the ground (1s) and the first excited state (1p) of CdSe/ZnTe ... -
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 ... -
Manipulating the orbital charge-currents of compressed Li and Na atom embedded in quantum plasma
(2022)In this study, for the first time, a theoretical investigation is carried out on the persistent orbital charge-currents (cc) and induced magnetic field (imf) of Li and Na atom compressed by spherical confinement, embedded ... -
MODELING OF PATELLA HEIGHT WITH DISTAL FEMUR AND PROXIMAL TIBIA REFERENCE POINTS WITH ARTIFICIAL NEURAL NETWORK
(25/03/2022)The patellofemoral joint is one of the parts of the knee extension mechanism that plays a role in the stability of the knee by enlarging the force arm of the quadriceps muscle and changing the direction of the muscle ... -
Neural network predictions of (n, 2n) reaction cross-sections at 14.6 MeV incident neutron energy
(2023/1/1)In this study, we have estimated the (n,2n) reaction cross-section for 14.6 MeV incident neutron energy by using the artificial neural network (ANN) method. We have also predicted the reaction cross-sections whose experimental ... -
Neutron Single-Particle States in 101Sn by Polynomial Fits and Shell Model Calculations for Light Sn Isotopes
(2024/2)The neutron single-particle energies (SPEs) in 101Sn are one of the main ingredients needed in nuclear studies in the region around the doubly magic 100Sn nucleus. Due to the lack of experimental data on 101Sn spectrum, ... -
Nonlinear optical characteristics of thermodynamic effects- and electric field-triggered Mathieu quantum dot
(2022)In this work, the total refractive index (TRICs) and total absorption coefficients (TACs) of a spherical quantum dot with the Mathieu potential encompassement, generated by using InGaAs/GaAs heterostructure, and including ... -
Nonlinear optical characteristics of thermodynamic effects- and electric field-triggered Mathieu quantum dot
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD24-28 OVAL RD, LONDON NW1 7DX, ENGLAND, Ekim 2022)In this work, the total refractive index (TRICs) and total absorption coefficients (TACs) of a spherical quantum dot with the Mathieu potential encompassement, generated by using InxGa1− xAs/GaAs heterostructure, and ... -
Nonlinear optical properties of modified Möbius squared potential well: influence of electric and magnetic fields
(Taylor & Francis, 2023/11/2)This work presents a numerical study on the electronic and optical properties of modified Möbius squared potential well in the presence of static electric and magnetic fields. The potential well is formed within GaAs/AlGaAs ... -
Nonlinear optical specifications of the Mathieu quantum dot with screw dislocation
(Publisher name SPRINGER HEIDELBERG, 2023)In this study, the nonlinear optical properties of screw dislocation InxGa1−xAs/GaAs Mathieu quantum dots (MQDs) are theoretically investigated for the first time, focusing on the optical rectification (NOR), second ... -
Nonlinear optical specifications of the Mathieu quantum dot with screw dislocation
(04.08.2023)In this study, the nonlinear optical properties of screw dislocation InxGa1−xAs/GaAs Mathieu quantum dots (MQDs) are theoretically investigated for the first time, focusing on the optical rectification (NOR), second harmonic ... -
Optical properties of a triple AlGaAs/GaAs quantum well purported for quantum cascade laser active region
(2021)A theoretical investigation on the conduction electron states in a triple inverse parabolic AlGaAs/GaAs quantum well, designed in the spirit of the active region for a quantum cascade laser, is performed. The study includes ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
(2021)In this study, the binding energies of an on-center and off-center hydrogenic donor impurity in a spherical quantum dot with finite confinement potential under an applied external magnetic field are investigated in detail ... -
Organo-soluble dendritic zinc phthalocyanine: photoluminescence and fluorescence properties
(TAYLOR & FRANCIS INC530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, 27 Mayıs, )ABSTRACT In this study, the spectroscopic measurements of the second generation dendritic zinc phthalo cyanine (phthalocyanine dendrimer with tris) 2 were made and its potential to be used in optoe lectronic applications ... -
Performance of machine learning algorithms on neutron activations for Germanium isotopes
(2023/7/1)In the studies of nuclear physics, one of the important parameters for nuclear reactions is the reaction cross-section. It can be obtained from experimental data or by different theoretical models. In this study, we implement ... -
Photoionization Cross Section for H@Cn Implanted in Nonideal Classical Plasmas
(2023)In this study, photoionization cross sections of guest hydrogen atom in endohedral fullerene (H@Cn) modeled by the Woods–Saxon confinement potential implanted in the nonideal classical plasma (NICP) under spherical confinement ... -
Photoionization cross-section and polarizability of impurity in CdS/ZnS core/shell quantum dots capped in a dielectric matrix
(Publisher name PERGAMON-ELSEVIER SCIENCE LTD, 2023)Using the effective mass approximation (E.M.A), we have performed theoretically the influence of the capped matrix, the geometrical parameters and the applied electric intensity on the Polarizability and photoionization ... -
Plasma-embedded positronium atom with energy-dependent potential
(2021)In this study, for the first time, the positronium atom embedded in the plasma environment with energy-dependent potential interaction, under spherical confinement is investigated. The more general exponential cosine ... -
Predicting -decay energy with machine learning
(2023/3/15)Q β represents one of the most important factors characterizing unstable nuclei, as it can lead to a better understanding of nuclei behavior and the origin of heavy atoms. Recently, machine learning methods have been shown ...