Yayın tarihi için Yayın Koleksiyonu listeleme
Toplam kayıt 40, listelenen: 1-20
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Bent Fiber Sensor for Preservative Detection in Milk
(MDPI AG, 2016)A fiber optic sensor sensitive to refractive index changes of the outer region of the fiber cladding is presented. The sensor uses bent plastic optical fibers in different bending lengths to increase sensitivity. Measurements ... -
Physical and optical properties of DCJTB dye for OLED display applications: Experimental and theoretical investigation
(ELSEVIER, 2017)In this study, 4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)-4H-pyran (DCJTB) was achieved using the experimental and theoretical studies. The electronic, optical and spectroscopic properties ... -
A subspace based progressive coding method for speech compression
(ELSEVIER SCIENCE BV, 2017)In this study, two novel methods, which are based on Karhunen Loeve Transform (KLT) and Independent Component Analysis (ICA), are proposed for coding of speech signals. Instead of immediately dealing with eigenvalue ... -
Electronic structure, optical and structural properties of organic 5,5 '-Dibromo-2,2 '-bithiophene
(ELSEVIER GMBH, URBAN & FISCHER VERLAG, 2018)The changes in the electronic, optical and structural properties of the title compound have been investigated using experimental and theoretical techniques. The semi-emprical relations have been proposed for the calculation ... -
Analysis of the geometrical properties and electronic structure of arsenide doped boron clusters: Ab-initio approach
(ELSEVIER SCIENCE SA, 2018)Density functional theory (DFT) and coupled-cluster (CCSD(T)) theory have been applied to investigate the geometric, growth pattern, bonding, stability, dissociation, adsorption and electronic properties of arsenide doped ... -
Photophysical and optical properties of 5-Bromo-2-nitropyridine organic molecule: Experiment and theory
(ELSEVIER SCIENCE BV, 2018)The changes in the structural, electronic, vibrational and optical properties of 5-Bromo-2-nitropyridine organic molecule have been investigated. The semi-emprical realtions have been proposed for the calculation of the ... -
Frequency Domain Analysis of Laser and Acoustic Pressure Parameters in Photoacoustic Wave Equation for Acoustic Pressure Sensor Designs
(OPTICAL SOC KOREA, 2018)A pressure wave created by the photoacoustic effect is affected by the medium and by laser parameters. The effect of these parameters on the generated pressure wave can be seen by solving the photoacoustic wave equation. ... -
Ab initio study of structural and electronic properties of SinC5-nH8 (n=0-5) series: Probing the 2D to 3D structural transition
(ELSEVIER SCIENCE SA, 2018)In this study, we studied the structural and electronic properties in the SinC5-nH8 (n = 0-5) series using ab initio calculations. We performed global minimum and low-lying isomers search for the C5H8 , SiC4H8 , Si2C3H8 , ... -
Electronic structure, optical and structural properties of Si, Ni, B and N-doped a carbon nanotube: DFT study
(ELSEVIER GMBH, URBAN & FISCHER VERLAG, 2018)The electronic structure, structural and optical properties of a carbon nanotube (CNT) and silicon (Si), nickel (Ni), boron (B) and nitrogen (N)-doped CNTs have been investigated by density functional theory (DFT) simulations. ... -
Structural phase transition and electronic properties of CaO under high pressure
(IOP PUBLISHING LTD, 2018)The crystal structure of the CaO compound is studied up to 300 GPa under high hydrostatic pressure using the density functional theory (DFT) with the generalized gradient approximation (GGA). Pressure-volume relationships, ... -
Photonic, spectroscopic properties and electronic structure of PTCDI-C8 organic nanostructure
(ELSEVIER SCIENCE BV, 2018)The changes in the structural, electronic, vibrational and photonic properties of N,N'-Dioctyl-3,4,9,10-perylenedicarboximide (PTCDI-C8) one-dimensional nanostucture have been investigated using experimental and theoretical ... -
Photophysical, spectroscopic properties and electronic structure of BND: Experiment and theory
(ELSEVIER SCIENCE SA, 2018)The electronic structure, photophysical and spectroscopic properties of 2,5-Bis(1-naphthyl)-1,3,4-oxadiazole (BND) have been researched based on different solvent environments. The refractive index (n) is calculated using ... -
Study of structural, optical properties and electronic structure of PTCDI-C5 organic nanostructure
(ELSEVIER SCIENCE BV, 2018)This work reports the change in the structural, electronic, spectroscopic and optical properties of N,N'-Dipentyl-3,4,9,10-perylenedicarboximide (PTCDI-C5) small molecule via experimental and theoretical techniques. ... -
A Simple, High Sensitive Fiber Optic Microphone Based on Cellulose Triacetate Diaphragm
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2018)We present a high sensitive fiber-optic microphone (FOM) with a wide measuring range based on a cellulose triacetate diaphragm in this work. The average signal-to-noise ratio (SNR) of the proposed FOM is measured 50.86 dB ... -
Size- and composition-dependent structure of ternary Cd-Te-Se nanoparticles
(SCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAK, 2018)In this study, the geometrical, thermal, and energetic properties of zinc-blende CdTe1-xSex (x = 0.25, 0.50, and 0.75) nanoparticles were investigated using the bond order potential based on the modern classical molecular ... -
A novel approach based on simulation of tunable MEMS diaphragm for extrinsic Fabry-Perot sensors
(ELSEVIER SCIENCE BV, 2019)A new tunable structure with a Three Leaf Clover (TLC) geometry has been proposed for use in diaphragm-based acoustic pressure sensors. The sensitivity and frequency response of this new structure, which will be an alternative ... -
A comprehensive study on electronic structure and optical properties of carbon nanotubes with doped B, Al, Ga, Si, Ge, N, P and As and different diameters
(ELSEVIER SCIENCE SA, 2019)Density functional theory (DFT) is used for investigating the electronic structure and optical properties carbon nanotubes (CNTs) with doped B, Al, Ga, Si, Ge, N, P and As and different diameters. Our results show that the ... -
Structural evolution and electronic properties of CaS: An ab initio study
(ELSEVIER SCIENCE BV, 2019)CaS crystallizes in cubic NaCl (B1) type structure with symmetry Fm (3) over barm. In this work, the structural and electronic properties of CaS were investigated by considering the Density Functional calculations within ... -
Density-functional tight-binding approach for the structural analysis and electronic structure of copper hydride metallic nanoparticles
(Elsevier Ltd, 2019)We perform a theoretical investigation using the density functional tight-binding (DFTB) approach for the structural analysis and electronic structure of copper hydride (CuH) metallic nanoparticles (NPs) of different size ... -
Pressure-induced phase transitions, electronic, elastic and vibrational properties of zinc oxide under high pressure
(INDIAN ASSOC CULTIVATION SCIENCE, 2019)In this work, the crystal structure of the ZnO was studied under high hydrostatic pressure using ab initio calculations. Pressure-volume relationships and structural transitions in ZnO were investigated using Siesta method. ...