Browsing Sivas Cumhuriyet Üniversitesi Fen Fakültesi by Author "0000-0002-0893-9210"
Now showing items 21-32 of 32
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Position-Dependent Effective Mass and Asymmetry Effects on the Electronic and Optical Properties of Quantum Wells with Improved Rosen–Morse Potential
Kasapoglu Esin; Yücel M. B.; Duque Carlos (MDPI, 5 Ekim 202)In this study, we investigated, for the first time, the effects of the spatially varying effective mass, asymmetry parameter, and well width on the electronic and optical properties of a quantum well which has an improved ... -
Position-dependent-mass and laser field impact on the optical characteristics of Manning-like double quantum well
Dakhlaoui H; Belhadj W; Kasapoglu Esin; Ungan F (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 ... -
Shallow Donor Impurity States with Excitonic Contribution in GaAs/AlGaAs and CdTe/CdSe Truncated Conical Quantum Dots under Applied Magnetic Field
Kasapoğlu, Esin (MDPI, 25 October)Using the effective mass approximation in a parabolic two-band model, we studied the effects of the geometrical parameters, on the electron and hole states, in two truncated conical quantum dots: (i) GaAs-(Ga,Al)As in the ... -
Shallow‑donor impurity effects on the far infrared electron–electron optical absorption coefficient in single and core/shell spherical quantum dots with Konwent‑like confinement potential
Kasapoğlu, Esin (2022)In this study, the electronic and optical properties of single or core/shell quantum dots, which are formed depending on the parameters in the selected Konwent potential, are investigated. Namely, the effects of the size ... -
Spin–Orbit and Zeeman Effects on the Electronic Properties of Single Quantum Rings: Applied Magnetic Field and Topological Defects
Gonzales J C; Toscano R G; Morales A L; Vinasco J A; Yücel M B; Sari H; Kasapoglu E; Şakiroğlu Serpil; Mora Ramos M E; Restrepo R L; Duque C A (MDPI, 2023)Within the framework of effective mass theory, we investigate the effects of spin–orbit interaction (SOI) and Zeeman splitting on the electronic properties of an electron confined in GaAs single quantum rings. Energies ... -
The anisotropy effects on the shallow-donor impurity states and optical transitions in quantum dots
Kasapoglu, Esin (12 August )In this work, we theoretically investigate the anisotropy effects on impurity states and optical transitions in quantum dots. In particular, we investigate the role of the impurity position on the binding energy and ... -
The effects of external fields on double GaAs/AlGaAs quantum well with Manning potential
Kasapoğlu, Esin (2022)In this paper, we calculated the electronic and optical absorption coefficient of the Manning-like double quantum well under the external applied electric and magnetic fields. To calculate the linear and thirdorder nonlinear ... -
The effects of the variable mass on the electronic and nonlinear optical properties of octic anharmonic oscillators
Şakiroğlu S; Yücel M. B.; Kasapoglu Esin (Springer, 24 Ekim 20)In this paper, we investigate theoretically the effects of a spatially varying effective mass distribution on the electronic and optical properties of octic anharmonic oscillators. Calculations to determine eigenvalues ... -
The effects of the variable mass on the electronic and nonlinear optical properties of octic anharmonic oscillators
Şakiroglu S; Yücel M B; Kasapoglu Esin (Springer, 24 Ekim 20)In this paper, we investigate theoretically the effects of a spatially varying effective mass distribution on the electronic and optical properties of octic anharmonic oscillators. Calculations to determine eigenvalues ... -
Theoretical Study of the Exciton Binding Energy and Exciton Absorption in Different Hyperbolic-Type QuantumWells under Applied Electric, Magnetic, and Intense Laser Fields
Kasapoğlu, Esin (2022)In this study, we investigated the exciton binding energy and interband transition between the electron and heavy-hole for the single and double quantum wells which have different hyperbolictype potential functions subject ... -
Tuning of nonlinear optical characteristics of a cylindrical quantum dot by external fields and structure parameters
Jaouane Mohammed; Sali Ahmed; Kasapoglu Esin; Ungan, Fatih (Taylo&Francis, 2023)In this present study, we have theoretically investigated the effect of applied external electric field and non-resonant intense laser field, as well as the adjustable physical parameters (A, M, and η) of the system, ... -
Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
Kasapoğlu, Esin (2021)In this study, we present a detailed theoretical investigation of the effect of an externally applied magnetic field on the energy states 1s, 1p, 1d and 1f in the spherical quantum dot with finite and infinite confinement ...