Güncel Gönderiler: Meslek Yüksekokulları
Toplam kayıt 369, listelenen: 321-340
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DFT-based ab-initio study of half-Heusler KCaP compound
(NATL INST OPTOELECTRONICS, 2018)An ab-initio study of structural, elastic, electronic and optical properties of KCaP compound with space group F (4) over bar 3m have been reported using the plane-wave pseudo-potential technique based on density functional ... -
Enhancement in Photovoltaic Characteristics of CdS/CdTe Heterojunction
(GAZI UNIV, 2017)The polycrystalline p-type CdTe thin film was deposited to form a solar cell structure with n-type CdS thin film window layer. Material characterization of the deposited thin films were investigated by X-ray diffraction ... -
An ab initio study on the investigation of structural, electronic, mechanical and lattice dynamical properties of the M(2)AX type MAX phases Sc2AlB0.5C0.5, Sc2AlB0.5N0.5 and Sc2AlC0.5N0.5 compounds
(IOP PUBLISHING LTD, 2017)The hypothetical Sc2AlB0.5C0.5, Sc2AlB0.5N0.5 and Sc2AlC0.5N0.5 compounds are M(2)AX type MAX phases referred to as #211 and have hexagonal crystal structure which conforms to P6(3)/mmc space group. These compounds have ... -
Electronic and lattice dynamical properties of Ti2SiB MAX phase
(IOP PUBLISHING LTD, 2018)The structural, electronic, mechanic, vibrational and thermodynamic properties of Ti2SiB which is a hypothetical MAX phase compound, have been investigated using density functional theory calculations. The structural ... -
The Investigation DO3-type Fe3M (M=Al, Ga, Si and Ge) Full-Heusler Alloys Within First Principles Study
(GAZI UNIV, 2018)Full-Heusler Fe3M (M=Al, Ga, Si and Ge) alloys whose crystal structure is DO3-type disordered structure which conforms to Fm (3) over barm space group, have been investigated by using Local Spin Density Approximation (LSDA) ... -
The structural, electronic, magnetic, and mechanical properties of perovskite oxides PbM1/2Nb1/2O3 (M = Fe, Co and Ni)
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2018)In this study, the structural, electronic, magnetic, and mechanical properties of perovskite oxides PbM1/2Nb1/2O3 (M = Fe, Co and Ni) are investigated. The systems are treated in ferromagnetic order. The calculations are ... -
The effect of hydrogen on the electronic, mechanical and phonon properties of LaMgNi4 and its hydrides for hydrogen storage applications
(PERGAMON-ELSEVIER SCIENCE LTD, 2018)Density functional theory calculations are used herein to explore the effect of hydrogen on the electronic, mechanical and phonon properties of LaMgNi4 and its hydrides. The polycrystalline elastic moduli, Poisson's ratios ... -
The electronic and elasticity properties of new half-metallic chalcogenides Cu(3)TMCh(4) (TM = Cr, Fe and Ch = S, Se, Te): an ab initio study
(TAYLOR & FRANCIS LTD, 2019)The ternary copper-based chalcogenides Cu(3)TMCh(4) (TM = Cr, Fe and Ch = S, Se, Te), which have simple cubic (SC) crystal structure and conform to space group with 215 space number, have been investigated by spin-polarised ... -
Investigation of structural, electronic and lattice dynamical properties of XNiH3 (X = Li, Na and K) perovskite type hydrides and their hydrogen storage applications
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)XNiH3 (X = Li, Na, and K) perovskite type hydrides have been studied by using Density Functional Theory (DFT) and these materials are found to be stable and synthesizable. The X-ray diffraction patterns have been obtained ... -
MgTiO3Hx and CaTiO3Hx perovskite compounds for hydrogen storage applications
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)The first principle calculations are used to investigate hydrogen storage properties of MgTiO3Hx and CaTiO3Hx (x = 0, 3, 6, and 8) perovskite compounds in cubic phase (Pm3 m). In order to examine the stability of these ... -
First principles study on the structural, electronic, mechanical and lattice dynamical properties of XRhSb (X = Ti and Zr) paramagnet half-Heusler antimonides
(IOP PUBLISHING LTD, 2019)The half-Heusler TiRhSb and ZrRhSb alloys in the formation of face-centered cubic MgAgAs-type structure, which conforms to the F (4) over bar 3m space group with 216 as the space number, have been investigated using ... -
Workplace injuries, safety climate and behaviors: application of an artificial neural network
(Taylor and Francis Ltd., 2018)This article proposes and tests a model for the interaction effect of the organizational safety climate and behaviors on workplace injuries. Using artificial neural network and survey data from 306 metal casting industry ... -
Transition metal-doped janus monolayer SMoSe with excellent thermal spin filter and spin Seebeck effect
(ELSEVIER, 2019)Motivated by the recent experimental synthesis of the novel janus monolayer SMoSe, we propose the design of spin caloritronic material based on transition metal-doped SMoSe monolayer. Using density functional theory combined ... -
Enhancement of hydrogen storage properties of Ca3CH antiperovskite compound with hydrogen doping
The doping effect of hydrogen on the Ca3CHx (x = 1, 4, 7, 9, and 10) antiperovskite compounds has been examined using density functional theory (DFT). The results of the structural optimizations show that all these compounds ... -
Density functional theory (DFT) study of BaScO3H0.5 compound and its hydrogen storage properties
(CANADIAN SCIENCE PUBLISHING, 2019)BaScO3 and its hydride BaScO3H0.5 have been investigated using density functional theory (DFT) with the generalized gradient approximation (GGA). BaScO3 perovskite can crystallize in five possible crystal structures: ... -
An Inset Fed Square Microstrip Patch Antenna to Improve the Return Loss Characteristics for 5G Applications
(IEEE, 2017)In this study, a square microstrip patch antenna operating in millimeter wave frequencies with improved return loss characteristics is proposed. The proposed patch antenna operates at 30 GHz which is among the projected ... -
Solution of economic dispatch problem for wind-thermal power systems by a modified hybrid optimization method
(GAZI UNIV, FAC ENGINEERING ARCHITECTURE, 2019)Economic Dispatch Problem (EDP) is a complex, constrained and non-linear optimization problem. In the EDP, it is aimed to minimize the system fuel cost between minimum and maximum limits of the active power buses. In this ... -
A new hybrid gravitational search-teaching-learning-based optimization method for energy demand estimation of Turkey
(SPRINGER LONDON LTD, 2019)In this study, energy demand estimation (EDE) was implemented by a proposed hybrid gravitational search-teaching-learning-based optimization method with developed linear, quadratic and exponential models. Five indicators: ... -
A new hybrid gravitational search-teaching-learning-based optimization method for the solution of economic dispatch of power systems
(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2019)The economic dispatch problem (EDP) is a complex, constrained, and nonlinear optimization problem. In the EDP, the active power bus should operate between the minimum and maximum bus limits to minimize the fuel cost. In ... -
A Square Microstrip Patch Antenna with Enhanced Return Loss through Defected Ground Plane for 5G Wireless Networks
(IEEE, 2018)In this paper, we design an inset fed square microstrip patch antenna with defected ground plane for 15 GHz which is one of the projected 5G frequency bands. The first design concept is a conventional inset fed square ...
