Browsing Yayın Koleksiyonu by Issue Date
Now showing items 1-20 of 61
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A new hybrid algorithm with genetic-teaching learning optimization (G-TLBO) technique for optimizing of power flow in wind-thermal power systems
(SPRINGER, 2016)In this study, a new hybrid genetic teaching learning-based optimization algorithm is proposed for wind-thermal power systems. The proposed algorithm is applied to a 19 bus 7336 MW Turkish-wind-thermal power system under ... -
MTPA Control of IPMSM Drives Based on Virtual Signal Injection Considering Machine Parameter Variations
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018)Due to parameter variations with stator currents, the derivatives of machine parameters with respect to current angle or d-axis current are not zero. However, these derivative terms are ignored by most of mathematical model ... -
Performance Analysis of Transmitter Identification Based on I/Q Imbalance Estimation
(Institute of Electrical and Electronics Engineers Inc., 2019)Performance of a transmitter identification method based on I/Q imbalance estimation is analyzed for different modulation types in this work. This analysis is considered on the basis of the constellation structure of proper ... -
Molecular dynamics study on composition and temperature dependences of mechanical properties of CdTeSe nanowires under uniaxial stretching
(World Scientific Publishing Co. Pte Ltd, 2019)In this study, a molecular dynamics (MD) study has been performed on composition and temperature dependences of mechanical properties of CdTe1-xSex (x = 0.25, 0.50 and 0.75) nanowires with a diameter of 6.93 nm. The ... -
DFT and TD-DFT studies of new pentacene-based organic molecules as a donor material for bulk-heterojunction solar cells
(Springer, 2020)The performance of organic cells based on bulk heterojunctions (BHJs) has improved recently, but further improvements are necessary. In this work, we have carried out a thorough examination using density functional theory ... -
3D sound source localization with fiber optic sensor array based on genetic algorithm
(Academic Press Inc., 2020)Sound source localization (SLL), which is an area of multi-point acoustic detection, has always been an important research topic since it has been employed in many applications. It has been notable to use fiber optic sensors ... -
Theoretical investigation of the adsorption behaviors of fluorouracil as an anticancer drug on pristine and B-, Al-, Ga-doped C36 nanotube
(Elsevier B.V., 2020)Density functional theory (DFT) is used to examine the formation possibility of a stable interaction between 5-fluorouracil (5-FU) drug molecule and a pristine, boron (B), aluminum (Al), and gallium (Ga)-doped carbon ... -
Experimental, Semi-theoretical, and Theoretical Electronic and Non-linear Optical Characteristics of ECBP
(Springer, 2020)The electronic properties of 4,4 '-bis(3-ethyl-N-carbazolyl)-1,1 '-biphenyl (ECBP) have been studied using time-dependent density functional theory. The non-linear optical (NLO) properties and dipole moments were investigated ... -
Novel topological nodal lines and exotic drum-head-like surface states in synthesized CsCl-type binary alloy TiOs
(Elsevier Inc, 2020)Very recently, searching for new topological nodal line semimetals (TNLSs) and drum-head-like (DHL) surface states has become a hot topic in the field of physical chemistry of materials. Via first principles, in this ... -
Electronic Transport and Non-linear Optical Properties of Hexathiopentacene (HTP) Nanorings: A DFT Study
(Springer, 2020)The electronic structure and structural and optoelectronic properties of hexathiopentacene (HTP) nanorings have been carried out by density functional theory (DFT) and time-dependent DFT (TD-DFT). Herein, the binding energy ... -
Evaluation of electronic transport and optical response of two-dimensional Fe-doped TiO2 thin films for photodetector applications
(Elsevier GmbH, 2020)We have carried out the structural, electronic and optical properties of Iron (Fe)-doped TiO2 thin films by sol-gel technique. The results reveal that the thin films form in a granular structure where particle-like grains ... -
A combined experimental and DFT/TD-DFT studies on the electronic structure, structural and optical properties of quinoline derivatives
(Springer, 2020)In this work, the structural, electronic, and optical features of quinoline derivatives were carried out by experiment and density functional theory (DFT). Our results show that a change in the substitution position of ... -
3d-transition metals (Cu, Fe, Mn, Ni, V and Zn)-doped pentacene π-conjugated organic molecule for photovoltaic applications: DFT and TD-DFT calculations
(Springer, 2020)In this study, we have performed a thorough examination of density functional theory (DFT) and time-dependent (TD) DFT to investigate the structural and optoelectronic properties of 3d-transition metals (Cu, Fe, Mn, Ni, V ... -
Suppression of the Shuttle Effect in Li-S Batteries via Magnetron Sputtered TiO2 Thin Film at the Electrode-Electrolyte Interface
(American Chemical Society, 2020)The practical application of lithium-sulfur (Li-S) batteries is still an issue mainly due to the shuttle phenomenon originating from the migration of lithium polysulfides (LiPs) between the electrodes, which leads to low ... -
Tailoring the structural properties and electronic structure of anatase, brookite and rutile phase TiO2 nanoparticles: DFTB calculations
(Elsevier B.V., 2020)In this study, we perform a theoretical investigation using the density functional tight-binding (DFTB) approach for the structural analysis and electronic structure of anatase, brookite and rutile phase TiO2 nanoparticles ... -
Synthesis, characterization, investigation of mesomorphic properties and DFT studies of a new 2,5-(dimethoxy)-2-[[(4-(dodecyloxy)phenyl)imino]methyl]benzene): a material liquid crystal for optoelectronics
(Springer, 2020)In this article, synthesis, characterization and mesomorphic properties of a new calamitic liquid crystal, 2,5-(dimethoxy)-2-[[(4-(dodecyloxy)phenyl)imino]methyl]benzene) (DDPIMB) are described. The phase transition ... -
Synthesis, characterization, investigation of mesomorphic properties and DFT studies of a new 2,5-(dimethoxy)-2-[[(4-(dodecyloxy)phenyl)imino]methyl]benzene): a material liquid crystal for optoelectronics
(Springer, 2020)In this article, synthesis, characterization and mesomorphic properties of a new calamitic liquid crystal, 2,5-(dimethoxy)-2-[[(4-(dodecyloxy)phenyl)imino]methyl]benzene) (DDPIMB) are described. The phase transition ... -
Electronic structures and bonding of graphdiyne and its BN analogs: Transition from quasi-planar to planar sheets
(Elsevier Ltd, 2020)We demonstrate a possible structural transition from graphdiyne (GDY) to boron nitride (BN)-diyne (C90-18n(BN)9nH18; n = 0-5) sheets using the density functional theory (DFT). The aim of this study is to investigate the ... -
Size dependence in the electronic and optical properties of a BN analogue of two-dimensional graphdiyne: A theoretical study
(Elsevier B.V., 2020)In this study, we propose a new type of a BN analogue of two-dimensional (2D) graphdiyne. By DFTB, we carried out the changes in the electronic and optical properties of BNdiyne based on size. Higher binding energies with ... -
The electronic structure, transport and structural properties of nitrogen-decorated graphdiyne nanomaterials
(Elsevier Science Sa, 2020)We focus on a theoretical investigation using the DFT and LC-SCC-DFTB for investigating the structural, optical and reactivity properties and electronic structure of pristine graphdiyne (GDY) and nitrogen (N)-doped hexagonal ...
