Browsing Nanoteknoloji Mühendisliği Bölümü by Issue Date
Now showing items 61-80 of 82
-
Comparison of Particle Shape, Surface Area, and Color Properties of the Calcite Particles Ground by Stirred and Ball Mill
(2023)Since the particle size, shape, specific surface area, and purity of the ground calcium carbonate (GCC) decide its usability in the paper, paint, and plastic industries, the effect of grinding is important. However, the ... -
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 ... -
Microencapsulated propolis in chewing gum production
(2023)Propolis is a resin with high antibacterial and antioxidant properties that honey bees (Apis mellifera L.) gather and then harmonize through their metabolic secretions. Propolis is beneficial to dental health because it ... -
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 ... -
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 ... -
Investigating the optical, electronic, magnetic properties and DFT of NiO films prepared using RF sputtering with various argon pressures
(23.04.2023)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 ... -
Determination of Optical Properties of MOVPE‑Grown InxGa1‑xAs/ InP Epitaxial Structures by Spectroscopic Ellipsometry
(24.08.2022)InxGa1−xAs epitaxial layers with different AsH3 flows have been grown on InP substrate with the MOVPE system. It has been found that AsH3 flow variation affects the In concentration of InGaAs/InP structure because the ... -
High-quality AlN growth: a detailed study on ammonia flow
(25.01.2023)High crystalline and optical quality aluminum nitride (AlN) films with thin thickness have been grown on Al2O3 by MOVPE (metal-organic vapor phase epitaxy) and the NH3 flow rate has been changed to improve the morphology and ... -
High-quality AlN growth: a detailed study on ammonia flow
(25.01.2023)High crystalline and optical quality aluminum nitride (AlN) films with thin thickness have been grown on Al2O3 by MOVPE (metal-organic vapor phase epitaxy) and the NH3 flow rate has been changed to improve the morphology and ... -
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 ... -
In-situ and ex-situ face-to-face annealing of epitaxial AlN
(26.06.2022)AlN films have been deposited on c-plane sapphire substrates by metalorganic-vapor-phase-epitaxy (MOVPE). The changes in the film structure have been investigated by applying different annealing processes which are exsitu ... -
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 ... -
Influence of Highly Efficient Carbon Doping on AlxGa1− xAs Layers with Different Al Compositions (x) Grown by MOVPE
(27.06.2023)Carbon (C)-doped aluminum gallium arsenide ( AlxGa1−xAs) epitaxial layers with different aluminum (Al) concentrations have been grown on gallium arsenide (GaAs) substrates by metalorganic vapor phase epitaxy (MOVPE) ... -
Influence of Highly Efficient Carbon Doping on AlxGa1− xAs Layers with Different Al Compositions (x) Grown by MOVPE
(27.06.2023)Carbon (C)-doped aluminum gallium arsenide ( AlxGa1−xAs) epitaxial layers with different aluminum (Al) concentrations have been grown on gallium arsenide (GaAs) substrates by metalorganic vapor phase epitaxy (MOVPE) ... -
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 ... -
The influence of TMGa pre-flow time and amount as surfactant on the structural and optical properties of AlN epilayer
(3.06.2022)AIN is used as a template layer for deep UV (DUV) emitter and detector applications, because of its wide bandgap and high thermal conductivity. In this study, trimethylgallium (TMGa) source is used as surfactant to improve ... -
In-situ thermal cleaning of the sapphire substrate and temperature effect on epitaxial AlN
(3.09.2022)The impact of thermal surface cleaning on epitaxial AlN thin films grown on sapphire is investigated in this study at various temperatures. The sapphire substrate is cleaned in a hydrogen environment. Structural, optical, ... -
Affinity Recognition Based Gravimetric Nanosensor for Equilin Detection
(MDPI, 30 Mayıs 2)The estrogenic hormones that are widely used in postmenopausal hormone supplements for women contaminate natural water resources. Equilin (Equ) is one of the estrogenic hormones that have a maximum contaminant level of ... -
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 ...