Search
Now showing items 1-10 of 214
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 ...
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 ...
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 ...
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 ...
Influence of applied external fields on the nonlinear optical properties of a semiinfinite asymmetric AlxGa1-xAs/GaAs quantum well
(2021)
The asymmetric potential profiles are of great interest from the nonlinear optical properties point of view for semiconductor devices. The reason for this statement is because the existing theories on nonlinear optical ...
Experimental and theoretical investigation for the spectrophotometric determination of thiabendazole in fruit samples
(Elsevier, 2021)
A simple, green, and effective vortex-assisted dispersive liquid–liquid microextraction method was developed for separation, preconcentration and spectrophotometric determination of thiabendazole in fruit samples. This ...
Optimization of ultrasound-assisted dispersive liquid–liquid microextraction of niacinamide in pharmaceutical and cosmetic samples using experimental design
(Elsevier, 2021)
In this paper, an efficient and inexpensive analytical procedure using sugar alcohol-based deep eutectic solvent ultrasound-assisted dispersive liquid–liquid microextraction (DES-UA-DLLME) was optimized for the extraction ...
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 ...
Optimization of vortex-assisted ionic liquid dispersive liquid–liquid microextraction by experimental design prior to hydride generation atomic absorption spectrometry for determination of selenium species in food, beverage and water samples
(Elsevier, 2021)
We applied novel vortex-assisted ionic liquid dispersive liquid-liquid microextraction (VA-IL-DLLME) method to preconcentration and extraction of Se(IV) ions from water, beverage and food samples. The method was optimized ...