Fakülteler: Recent submissions
Now showing items 2201-2220 of 2389
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Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
(2021)In this study, we present a detailed theoretical investigation of the effect of an externally applied magnetic field on the energy states , , and in the spherical quantum dot with finite and infinite confinement potentials. ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
(16.5.2021)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 ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
(2021)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 ... -
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 ... -
Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
(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 ... -
The anisotropy effects on the shallow-donor impurity states and optical transitions in quantum dots
(2.8.2021)n 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 optical ... -
Effect of magnetic field, size and donor position on the absorption coefficients related a donor within the core/shell/shell quantum dot
(2021)In this study, linear, nonlinear and total optical absorption coefficients related a single shallow donor atom confined in semiconductor core/shell/shell quantum dot heterostructure are researched in detail within the ... -
A Joining Dissimilar Material Pairs by Mechanical Locking Method (MLM)
(International Journal of Precision Engineering and Manufacturing, 2021)Several methods that have been used in joining material pairs with diferent properties share many disadvantages. To overcome these disadvantages, the current study introduces mechanical locking method (MLM), which is a new ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
(ELSEVIER SCI LTD, 15.9.2021)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 ... -
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 ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
(16 March 2)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 ... -
The anisotropy effects on the shallow-donor impurity states and optical transitions in quantum dots
(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 ... -
Position dependent effective mass effect on the quantum wells with three-parameter modified Manning potential
(17 June 20)This article reports a theoretical study of the intersubband optical properties in quantum wells with modified Manning potential considering the effects of position-dependent effective mass. Calculations are made in the ... -
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 ... -
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 ... -
Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
(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 ... -
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 ... -
Shallow Donor Impurity States with Excitonic Contribution in GaAs/AlGaAs and CdTe/CdSe Truncated Conical Quantum Dots under Applied Magnetic Field
(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 ... -
Magneto-optical properties of impurity associated photoionization cross-section in laser-driven delta-doped quantum wires
(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 properties ... -
Effect of intense laser and electric fields on nonlinear optical properties of cylindrical quantum dot with Morse potential
(4 March 20)In this study, the influence of the external electric field on the nonlinear optical properties of a laser dressed cylindrical quantum dot with axial Morse potential are theoretically investigated using the total optical ...