Browsing Nanoteknoloji Mühendisliği Bölümü by Language "eng"
Now showing items 21-40 of 43
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Intense laser field effect on the nonlinear optical properties of triple quantum wells consisting of parabolic and inverse-parabolic quantum wells
(IOP Publishing, 25.02.2022)The nonlinear optical rectification, the second harmonic generation coefficient, and the third harmonic generation coefficient in parabolic-inverse parabolic-parabolic quantum wells (PIPPQWs) and inverse parabolic-para ... -
Intensity-dependent nonlinear optical properties in an asymmetric Gaussian potential quantum well-modulated by external fields
(Springer, 2021)In this paper, the efects of external electric, magnetic and non-resonant intense laser felds on the nonlinear optical rectifcation (NOR), second-harmonic (SH), and third harmonic (TH) generation in a GaAs quantum well ... -
Interband transitions and exciton binding energy in a Razavy quantum well: effects of external fields and Razavy potential parameters
(Springer, 2022)In this paper, we theoretically investigated the influence of externally applied fields such as high-frequency non-resonant intense laser fields, static electric and magnetic fields, as well as structure parameters, on ... -
Investigating the optical, electronic, magnetic properties and DFT of NiO films prepared using RF sputtering with various argon pressures
(28.04.2023)In this study, we investigated the structural, optical, magnetic, and conductive properties of nickel oxide (NiO) films on glass substrates deposited using Radio Frequency (RF) magnetron sputtering with varying Ar ... -
Investigation of optical and structural properties of tin-doped copper oxide thin films prepared by the drop-cast method
(Springer, 2022)Tin-doped copper oxide (Sn:CuO) thin films produced by using the sol–gel drop-cast technique were examined and the effect of Sn doping concentration on the optical properties and the energy band gap of Sn:CuO thin films ... -
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 ... -
Modeling of temperature‑dependent photoluminescence of GaN epilayer by artificial neural network
(22.06.2023)Artificial neural networks (ANNs) are a type of machine learning model that are designed to mimic the structure and function of biological neurons. They are particularly well-suited for tasks such as image and speech ... -
Molecularly Designed Ion-Imprinted Nanoparticles for Real-Time Sensing of Cu(II) Ions Using Quartz Crystal Microbalance
(MDPI, 5 Kasım 20)A molecularly designed imprinting method was combined with a gravimetric nanosensor for the real-time detection Cu(II) ions in aqueous solutions without using expensive laboratory devices. Thus, 1:1 and 2:1 mol-ratio-dependent ... -
Molecularly imprinted composite discs for transferrin recognition
(Taylor and Francis, 2022)Human Transferrin (HTr) imprinted composite cryogel (HTr-MIPCC) discs were synthesized with distinctive structure and increased adsorption capacity and specificity for HTr by combining the advantages of the surface ... -
Nanoparticles with PDT and PTT synergistic properties working with dual NIR-light source simultaneously
(2021)A non-toxic nano system using a cleverly designed dual light can be an important treatment strategy in cancer therapy. Here, we propose a unique concept of synergistic non-toxic nanoplatform, which operates with dual ... -
Nonlinear optical properties in AlxGa1-xAs/GaAs double-graded quantum wells: The effect of the structure parameter, static electric, and magnetic field
(Elsevier, 2022)We present a theoretical simulation of the impact of applied external electric and magnetic fields, as well as of the change in structure parameters, on the nonlinear optical rectification (NOR), second harmonic ... -
Nucleation layer temperature effect on AlN epitaxial layers grown by metalorganic vapour phase epitaxy
(20.11.2021)AlN samples have been grown on sapphire substrate using nucleation layers (NLs) having different growth temperatures. The growth temperature of the NL has been varied over a wide range of temperatures highlight the effects ... -
Nucleation layer temperature effect on AlN epitaxial layers grown by metalorganic vapour phase epitaxy
(20.09.2021)AlN samples have been grown on sapphire substrate using nucleation layers (NLs) having different growth temperatures. The growth temperature of the NL has been varied over a wide range of temperatures highlight the effects ... -
Numerical Simulation of Diffraction Patterns with Different Illumination Laser Wavelength
(International Conference on Engineering Technologies (ICENTE'21), 2021)In this study, a computer simulation program generating Fresnel diffraction patterns from the apertures by using the different illumination wavelength sources has been studied. Changing the aperture-screen distance and ... -
Numerical simulation of linear and nonlinear optical properties in heterostructure based on triple Gaussian quantum wells: effects of applied external fields and structural parameters
(26.07.2021)In this work, we present a theoretical simulation of the impact of applied external fields and structural parameters on the total (linear plus nonlinear) optical absorption coefficient (TOAC) and total refractive relative ... -
Prediction of average shape values of quartz particles by vibrating disc and ball milling using dynamic image analysis based on established time-dependent shape models
(2022)Although grinding kinetics has been the subject of many researches, there is no research examining the shape kinetics of particles ground by different mills using dynamic image analysis (DIA) in the literature. In this ... -
Production of phenylalanine-reduced soymilk for phenylketonuria patients
(Codon Publishing Co., 2023)Phenylketonuria (PKU) is a hereditary disease caused by the deficiency of phenylalanine (Phe) hydroxylase enzyme or its cofactor tetrahydrobiopterin. Treatment involves a Phe-restricted diet, although food options are ... -
Rheology and sensory properties of microencapsulated propolis-enriched stirred-type yogurt
(Codon Publishing Co., 2023)In this study, the rheological, sensory and syneristic properties of yogurt enriched with 0.5%, 1% and 2% microencapsulated propolis (MP) was investigated. The viscosity measurements of stir-type yoghurt were performed ... -
Synthesis of Multifunctional Organic Nanoparticles Combining Photodynamic Therapy and Chemotherapeutic Drug Release
(2022)Cancer is a group of diseases that are caused by uncontrolled proliferation of cells in various parts of the body and it is one of the most studied diseases worldwide. Photodynamic therapy (PDT) is a treatment that uses ... -
The effect of structure parameters and static electric field on the nonlinear optical properties of triple InGaAs/GaAs quantum well
(ScienceDirect, 2023)Optical properties of In x Ga 1-x As/GaAs triple QW are studied for different quantum well thicknesses and external electric fields. The effective mass approximation is used to calculate the band alignment of the structure. ...