Yayıncı "Elsevier Science Sa" Fen Edebiyat Fakültesi için listeleme
Toplam kayıt 28, listelenen: 1-20
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An analysis on the relation between the seed distance and vertical levitation force for the multi-seeded YBCO using the modified advanced frozen image (MAFI) and experimental methods
(Elsevier Science Sa, 2019)The higher magnetic levitation force and related stiffness values are very important for Maglev and magnetic bearing applications. Also, larger superconducting surface area is needed for continuous and larger magnetic ... -
The comparison of levitation and lateral force of bulk and cut-pasted bulk GdBCO samples at different temperatures
(Elsevier Science Sa, 2020)In this work, in the first time, we have investigated the levitation and lateral force properties of bulk and cut-pasted bulk GdBCO samples at different temperatures and different cooling heights (CH) to determine the ... -
Cu(In,Ga)(Se,Te)(2) films formed on metal foil substrates by a two-stage process employing electrodeposition and evaporation
(Elsevier Science Sa, 2018)Cu(In,Ga)(Se,Te)(2) or CIGST films were grown over molybdenum coated stainless steel foil substrates using a two-stage technique. the process involved deposition of a Cu-In-Ga/Se-Te precursor stack over the Mo layer using ... -
Cu(In,Ga)(Se,Te)(2) pentenary thin films formed by reaction of precursor layers
(Elsevier Science Sa, 2015)Sodium doped CuIn(1 - x) Ga-x(Se(1 - y) Te-y)(2) (CIGST) thin films were grown on Mo-coated soda lime glass substrates by a two-stage technique. the effects of Te content and annealing temperature on the microstructural ... -
Designing bipyridine-functionalized zirconium metal-organic frameworks as a platform for clean energy and other emerging applications
(Elsevier Science Sa, 2018)Metal-organic frameworks (MOFs) are a class of crystalline and porous materials with modular structural features. This modularity has allowed MOFs to be designed and synthesized with adjustable pore sizes and shapes leading ... -
A detailed research for determination of Bi/Ga partial substitution effect in Bi-2212 superconducting matrix on crucial characteristic features
(Elsevier Science Sa, 2019)This multidisciplinary study paves way to investigate the crucial of fundamental characteristic properties including the bulk density, electrical, superconducting, flux pinning mechanism, crystal structure quality and ... -
Effect of heat treating metallic constituents on the properties of Cu2ZnSnSe4 thin films formed by a two-stage process
(Elsevier Science Sa, 2017)In this study Cu2ZnSnSe4 (CZTSe) thin films were grown by a two-stage process that involved sputter deposition of a Cu/Sn/Zn/Cu metallic stack, annealing the stack at various temperatures for 30 min, evaporation of a Se ... -
Effect of zirconium diffusion on the microstructural and superconducting properties of YBa2Cu3O7-delta superconductors
(Elsevier Science Sa, 2012)This study reports not only the role of zirconium (Zr) diffusion on the superconducting, physical and microstructural properties of YBa2Cu3O7-delta (Y123) bulk superconductors prepared by the conventional solid-state ... -
Electrochemistry of novel tetra peripherally and non-peripherally substituted phthalocyanines bearing morpholine groups
(Elsevier Science Sa, 2020)Morpholine bearing phthalonitriles (3a and 3b) and peripherally and non-peripherally tetra substituted TiOPc and CuPc complexes (4a-5b) were prepared. Electrochemical responses of metallophthalocyanines were analysed and ... -
Improvement in levitation force performance of bulk MgB2 superconductors through coronene powder adding
(Elsevier Science Sa, 2017)The effect of coronene (C24H12) addition on the levitation force properties of MgB2 superconductor has been investigated for the first time in this study. the polycrystalline disk-shaped MgB2 + y wt % C24H12 samples (y = ... -
Influence of copper composition and reaction temperature on the properties of CZTSe thin films
(Elsevier Science Sa, 2016)In this study Cu2ZnSnSe4 (CZTSe) compound layers were grown using a two-stage technique that involved deposition of metallic precursors (Cu, Zn, and Sn) and Se in the first stage, followed by reaction of all the species ... -
Investigation of Cd1-xCoxS diluted magnetic semiconductor thin films fabricated by chemical bath deposition method
(Elsevier Science Sa, 2014)Chemical bath deposition method was used for preparation of Cd1-xCoxS thin films. the effects of Co doping and thermal annealing on structural, optical, electrical and magnetic properties of CdS thin films were investigated. ... -
The investigation of magnetic levitation performances of single grain YBCO at different temperatures
(Elsevier Science Sa, 2017)The temperature dependence of the magnetic levitation force has been investigated for single-grain YBCO bulk sample, 20 mm in diameter with a thickness of 8 mm, fabricated by top-seeded melt growth (TSMG) method using Nd123 ... -
The investigation on the regional nanoparticle Ag doping into MgTi0.06B2 bulk for improvement the magnetic levitation force and the bulk critical current
(Elsevier Science Sa, 2017)Fabrication methods are important way to improve structural and superconducting properties of MgB2 such as critical current, magnetic levitation force (MLF) and magnetic field trapping capability. Although the graded ... -
IR laser line scanning treatments to improve levitation forces in MgTi0.06B2 bulk materials
(Elsevier Science Sa, 2019)Infrared (IR) laser-line scanning has been widely used to induce different surface microstructures in a broad range of materials. in this work, this laser configuration was applied on the surface of MgTi0.06B2 bulk samples ... -
Microwave-assisted synthesis and investigation of xanthine oxidase inhibition of new phthalonitrile and phthalocyanines containing morpholino substituted 1,2,4-triazole-3-one
(Elsevier Science Sa, 2015)Novel phthalonitrile and zinc (II) phthalocyanines containing pharmacological active molecules like morpholine and triazole were prepared and characterized. the new compounds were obtained by both microwave assisted and ... -
Novel phthalocyanines containing resorcinol azo dyes; synthesis, determination of pKa values, antioxidant, antibacterial and anticancer activity
(Elsevier Science Sa, 2015)There are many studies about effects on health of compounds having azo groups in literature. However, anticancer, antimicrobial and antioxidant properties of phthalocyanines containing azo dyes are unknown. Therefore, the ... -
Novel triazole bearing zinc(II) and magnesium(II) metallo-phthalocyanines: Synthesis, characterization, photophysical and photochemical properties
(Elsevier Science Sa, 2013)The synthesis and characterization of novel tetrakis N-(3,5-dichlorophenyl)-5-methyl-3H-1,2,4-triazol-3-one (1) and N-(3,5-dichlorophenyl)-5-ethyl-3H-1,2,4-triazol-3-one (2) substituted phthalonitrile derivatives and their ... -
A phytochemical-containing metal-organic framework: Synthesis, characterization and molecular simulations for hydrogen adsorption
(Elsevier Science Sa, 2015)As a result of involvement of all carboxylato/methoxo/oxo donor oxygen atoms of a phytochemical ferulic acid with zinc ions, a Zn-ferulate metal-organic framework (PhytoMOF-1), {[Zn-2(fer)(2)]}(n) is formed. the structure ... -
Role of the radio frequency magnetron sputtered seed layer properties on ultrasonic spray pyrolyzed ZnO thin films
(Elsevier Science Sa, 2017)Herein, we investigated structural and electrical properties of ultrasonic spray pyrolyzed ZnO thin films (ZnO (USP)) deposited on radio frequency sputtered ZnO nanocolumns (ZnO(Seed)) under various oxygen atmosphere on ...