Browsing Sivas Cumhuriyet Üniversitesi Fen Fakültesi by Access Type "info:eu-repo/semantics/closedAccess"
Now showing items 201-220 of 234
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The effects of external fields on double GaAs/AlGaAs quantum well with Manning potential
(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 temperature and pressure on the optical properties of a donor impurity in ðIn; GaÞN=GaN multilayer cylindrical quantum dots
(2022)This paper examines the variation of the linear, third-order nonlinear and total intersubband optical absorption (refractive index changes) coefficients of a donor impurity in multilayer cylindrical quantum dots (MCQDs), ... -
The effects of the variable mass on the electronic and nonlinear optical properties of octic anharmonic oscillators
(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
(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 non-resonant intense laser field effects on the binding energies and the nonlinear optical properties of a donor impurity in Rosen– Morse quantum well
(2022)We analyze the influence of electron–donor impurity interaction as well as of a high-frequency non-resonant intense laser field on the intraband linear, third-order nonlinear, and total optical absorption coefficients in ... -
The nonlinear optical properties of "12-6" tuned GaAs/GaAlAs double quantum well under the external fields
(2023)We have studied the linear and nonlinear optical properties of 12-6GaAs/Ga1-xAlxAs double quantum well heterostructure under different external fields’ effects such as electric, magnetic and intense laser fields. We also ... -
The nonlinear optical properties of GaAs/GaAlAs triple quantum well: Role of the electromagnetic fields and structural parameters
(2022)Being relevant to the field of device applications, multiple semiconductor quantum wells are systems that exhibit remarkable optical and electronic properties. These can be properly tuned by suitably modifying the ... -
The nonlinear optical rectification, second and third harmonic generation coefficients of Konwent potential quantum wells
(2022)We have theoretically investigated the effect of structure parameters and applied external fields on the Ga1−xAlxAs/GaAs Konwent quantum well structure. Results of theoretical simulation have clarified the impact of applied ... -
THE SPECTRUM OF q–CESARO MATRICES ON ` c AND ITS VARIOUS SPECTRAL DECOMPOSITION FOR 0 < q < 1
(01.09.2021)One of q-analogs of the Ces´aro matrix of order one is the triangular matrix with nonzero entries cnk = qn−k/1+q+···+qn, 0 k n, where q ∈ [0,1] . In this article, we will determine the spectrum of this matrix on the space ... -
Theoretical investigation of linear and nonlinear optical properties in an heterostructure based on triple parabolic barriers: Effects of external fields
(7 January )In this work, we have investigated theoretically the impact of intense laser, electric and magnetic fields on the linear and nonlinear optical properties of a quantum well heterostructure containing triple parabolic ... -
Theoretical investigation of nonlinear optical properties of Mathieu quantum well
(2023)In this study, for the first time, the effect of externally applied static electric, magnetic, and non-resonant THz intense laser fields on nonlinear optical properties such as the total optical absorption coefficients ... -
Theoretical simulation of optical absorption coefficients in heterostructure based on semi-parabolic-double quantum wells
(2022)In this work, we have performed a numerical calculation to obtain the lowest three electron subband energy levels and their density of probabilities in a n-doped heterostructure constituted by double semi parabolic quantum ... -
Theoretical Study of the Exciton Binding Energy and Exciton Absorption in Different Hyperbolic-Type QuantumWells under Applied Electric, Magnetic, and Intense Laser Fields
(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 ... -
Therapeutic Potential of Isoflavones with an Emphasis on Daidzein
(2021)analogous to mammalian estrogens, and it could be useful with a dual-directional purpose by substituting/hindering with Hindawi Oxidative Medicine and Cellular Longevity Volume 2021, Article ID 6331630, 15 pages http ... -
Tobacco Smoking and Liver Cancer Risk: Potential Avenues for Carcinogenesis
(2021)Smoking a cigarette generates over 4000 chemicals that have a deleterious impact on each part of the human body. It produces three main severe effects on the liver organ: oncogenic, immunological, and indirect or direct ... -
TRANSGENİK BİTKİ TÜRLERİ İÇİN İLGİLİ KARAKTER VE GENLER: İŞARET GENLERİ VE PROMOTÖRLER
(L,vre de Lyon, 2023)Transgenik bitki araştırmaları, istenen özellikleri kazandırmak için bitki türlerine yeni genlerin eklenmesini mümkün kılarak tarım alanında devrim yapmıştır. Bu bölümde transgenik bitki araştırmalarının temel yönlerine ... -
Tuning of nonlinear optical characteristics of a cylindrical quantum dot by external fields and structure parameters
(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, ... -
Ultra-Sensitive Determination of Cadmium in Food and Water by Flame-AAS after a New Polyvinyl Benzyl Xanthate as an Adsorbent Based Vortex Assisted Dispersive Solid-Phase Microextraction: Multivariate Optimization
(MDIP, 2023)Cadmium (Cd) is a very toxic and carcinogenic heavy metal even at low levels and it is naturally present in water as well as in food. Methods: A new polyvinyl benzyl xanthate (PvbXa) was synthesized and used as a new ... -
Ultrasonic-assisted cloud point microextraction and spectrophotometric determination of Ponceau 4R in various beverage samples using Non-ionic surfactant PONPE 7.5
(Taylor & Francis, 2021)In the current study, a simple, cheap, and fast analytical procedure, termed ultrasonic-assisted cloud point microextraction (UA-CPME), combined with UV-VIS spectrophotometry, was developed for the pre-concentration and ... -
Ultrasonic-assisted dispersive liquid–liquid microextraction based on hydrophilic deep eutectic solvents: Application to lead and cadmium monitoring in water and food samples
(Taylor & Francis, 2022)A green and innovative ultrasonic-assisted dispersive liquid–liquid microextraction using hydrophilic deep eutectic solvents (UA-HDES-DLLME) was developed for the selective and simultaneous extraction and enrichment of ...