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Toplam kayıt 186, listelenen: 61-80
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Synthesis and characterization of monodisperse NiFe2O4 nanoparticles
(Elsevier Ltd, 2016)Narrow size distribution nickel ferrite nanoparticles with average particle size of around 6 nm has been synthesized via rapid thermo-decomposition method in the presence of oleylamine in solution which acted as neutralizing, ... -
Synthesis and magneto-electrical properties of MFe2O4 (Co, Zn) nanoparticles by oleylamine route
(Elsevier Ltd, 2016)In this study, nearly monodisperse cobalt ferrite (CoFe2O4) and zinc ferrite (ZnFe2O4) nanoparticles (NPs) without any size-selection process have been fabricated through an alluring method in an oleylamine (OAM)/benzyl ... -
Theoretical Predictions for High-Pressure Elastic, Mechanical, and Phonon Properties of SiGe Alloy
(Springer New York LLC, 2016)Elastic, mechanical, and phonon properties of zinc blende (ZB)-type SiGe ordered alloy were theoretically investigated in detail under pressures up to 12 GPa. Unlike earlier theoretical calculations of literature, a ... -
Defect characterization in neodymium doped thallium indium disulfide crystals by thermoluminescence measurements
(Elsevier B.V., 2016)Characteristics of defect centers in neodymium doped TlInS2 single crystals have been investigated in virtue of thermoluminescence measurements carried out at low temperatures (10–300 K) with various heating rates between ... -
Magneto-optical investigation and hyperfine interactions of copper substituted Fe3O4 nanoparticles
(Elsevier Ltd, 2016)CCopper substituted Fe3O4 nanoparticles (NPs) (CuxFe1−xFe2O4 (0.0≤x≤1.0)) were synthesized by polyol method and the effect of Cu2+ substitution on structural, magnetic and optical properties of Fe3O4 was investigated. X-ray ... -
Dielectric properties, cationic distribution calculation and hyperfine interactions of La3+ and Bi3+ doped strontium hexaferrites
(Elsevier Ltd, 2016)La3+ and Bi3+ doped M-type strontium hexaferrites (SrM) were prepared by sol–gel-auto combustion. X-ray powder diffraction (XRD), Scanning Electron Microscopy (SEM), Vibrating Simple Magnetometer (VSM), Mössbauer Spectroscopy ... -
Structural, morphological, optical, cation distribution and Mössbauer analysis of Bi3+ substituted strontium hexaferrite
(Elsevier Ltd, 2016)Single-phase M-type hexagonal ferrites, SrBixFe12−xO19 (0.0≤x≤1.0), were prepared by a co-precipitation assisted ceramic route. The influence of the Bi3+ substitution on the crystallization of ferrite phase has been examined ... -
Structural investigation and hyperfine interactions of BaBixLaxFe12−2xO19 (0.0≤x≤0.5) hexaferrites
(Elsevier Ltd, 2016)Barium hexaferrite, BaFe12O19, substituted by Bi3+ and La3+ (BaBixLaxFe12−2xO19 where 0.0≤x≤0.5) were prepared by solid state synthesis route. The effect of substituted Bi3+ and La3+ ions on the structure, morphology, ... -
Atomik Tabaka Biriktirme Metodu ile Üretilen HfO2 Tabanlı Sensörlerin Hidrojen Gaz Algılama Özelliklerinin İncelenmesi
(Gazi Univ, 2016)Fossil fuels can very quickly be exhausted condition and thus leave harmful residues such as CO 2 environment clean and reliable use of the H-2 gas as the energy source of the future are expanded in various fields. In this ... -
Geliştirilmiş dalgarno-lewis pertürbasyon yöntemiyle doğrusal ve doğrusal olmayan sistemlerin enerji düzeylerinin hesaplanması
(Gümüşhane Üniversitesi, 2017)Bu çalışmada, geliştirilmiş Dalgarno-Lewis pertürbasyon yöntemi üzerinde durulmaktadır. Enerji düzeylerinin ve dalga fonksiyonlarının hesabıyla ilgili işlemci tanımlanmaktadır. Elde edilen işlemci yardımıyla birinci ve ... -
Elastic, mechanical and phonon behavior of wurtzite cadmium sulfide under pressure
(MDPI AG, 2017)Cadmium sulfide is one of the cutting-edge materials of current optoelectronic technology. Although many theoretical works are presented the for pressure-dependent elastic and related properties of the zinc blende crystal ... -
Theoretical analysis of elastic, mechanical and phonon properties of wurtzite zinc sulfide under pressure
(MDPI AG, 2017)We report for the first time the application of a mixed-type interatomic potential to determine the high-pressure elastic, mechanical, and phonon properties of wurtzite zinc sulfide (WZ-ZnS) with geometry optimization ... -
Electrical properties of Al/p-Si structure with Al2O3 thin film fabricated by atomic layer deposition system
(World Scientific Publishing Co. Pte Ltd, 2017)Al2O3 insulator layer was deposited by atomic layer deposition (ALD) technique on p-type Si ⟨111⟩ and the Al/Al2O3/p-Si metal/insulator/semiconductor (MIS) structures were fabricated. The current–voltage (I−V) characteristics ... -
Theoretical study of hydrogen adsorption in Ti-decorated capped carbon nanotube
(Taylor and Francis Ltd., 2017)We present ab initio study using dispersion-corrected density functional theory calculations to investigate the hydrogen interaction with Ti-coated, one end closed, single-walled carbon nanotube (SWCNT). Our results ... -
A triazoloquinoxaline and benzodithiophene bearing low band gap copolymer for electrochromic and organic photovoltaic applications
(Elsevier Ltd, 2017)A new triazoloquinoxaline and benzodithiophene based copolymer was synthesized to investigate its electrochemical, optical and photovoltaic behaviors. According to the polymer design, combination of two acceptor units ... -
Magneto-optical properties and Mössbauer Investigation of BaxSryPbzFe12O19 Hexaferrites
(Elsevier Ltd, 2017)Ba0.3Sr0.4Pb0.3Fe12O19, Ba0.4Sr0.3Pb0.3Fe12O19 and Ba0.3Sr0.3Pb0.4Fe12O19 hexaferrites were synthesized via sol-gel auto combustion. XRD (X-ray powder diffraction) powder patterns of the products confirmed the formation ... -
Magnetic properties and hyperfine interactions of Co1-2xNixMnxFe2O4 nanoparticles
(Elsevier Ltd, 2017)Co1-2xNixMnxFe2O4 (0.0≤x≤0.5) nanoparticles (NPs) were prepared via citrate assisted microwave combus-tion route. XRD analysis confirmed the cubic structure (spinel) of all samples. Average crystallite size ofproducts ... -
Magnetic properties and Mössbauer spectroscopy of Cu-Mn substituted BaFe12O19 hexaferrites
(Elsevier Ltd, 2017)In this study, bimetallic (Cu-Mn) substituted M-type Ba 1-2x Mn x Cu x Fe 12 O 19 (0.0 ? x ? 0.1) hexaferrites were fabricated via sol-gel auto-combustion route. The effect of bimetallic substitution on structure, morphology ... -
Dose dependence effect of thermoluminescence process in TlInS2:Nd single crystals
(Elsevier GmbH, 2017)In this paper, thermoluminescence (TL) properties of TlInS2:Nd single crystals were modeled using an interactive model (one trap and one kind of recombination center). The simulated work presented here was based on the ... -
Investigation of magnetic properties of phase transformations in Copper-based alloys
(Springer New York LLC, 2017)In this study, the magnetic properties of both Cu85.41Al9.97Mn4.62 and Cu82.41Mn13.81Al3.78 (wt%) shape memory alloys were studied. The analysis of the magnetization as a function of applied field and temperature was ...