Fizik / Physics: Recent submissions

Now showing items 141-160 of 446

Wet bulb globe temperature across Western Turkey according to the ENSEMBLES project

Hamza Altinsoy; Yıldırım, Hacı Ahmet (INDERSCIENCE ENTERPRISES LTD, 2016)

The direct effects of climate change on workers' thermal comfort as well as its indirect effects on occupational health and safety are analysed. The region of interest is Western Turkey. The regional climate model (RCM) ...
Microscopic description of low-lying M1 excitations in odd-mass actinide nuclei

Tabar, Emre; Yakut, Hakan; Alı Akbar Kulıyev (ELSEVIER SCIENCE BV, 2017)

A restoration method of a broken symmetry which allows self-consistent determination of the separable effective restoration forces is now adapted to odd-mass nuclei in order to restore violated rotational invariance (RI-) ...
Structural, spectroscopic, nonlinear optical and electronic properties of calcium N-phthaloylglycinate: A combined experimental and theoretical study

Tamer, Ömer; Avcı, Davut; Atalay, Yusuf (ELSEVIER SCIENCE BV, 2016)

A calcium complex of N-phthaloylglycine (CaNPG) has been synthesized, and its crystal structure has been characterized by X-ray diffraction method. The FT-IR and fluorescence spectra for CaNPG have been recorded. ...
Structural, Conductivity, and Dielectric Properties of Co0.5Mg0.5La0.1Fe1.9O4 Ferrite Nanoparticles

Şentürk, Erdoğan (SPRINGER, 2016)

The ferrite-based Co0.5Mg0.5La0.1Fe1.9O4 nanoparticle system has been synthesized by using the chemical co-precipitation technique. XRD and SEM were used for the structural and morphological characterization of the ...
Humidity sensing properties of ZnO/La(OH)(3) via impedance measurements

Şentürk, Erdoğan (SPRINGER, 2016)

In this work, composite zinc oxide/lanthanum hydroxide crystal powder (50:50 %) has been synthesized using the sol-gel technology. The crystal formed powder has been obtained at 1000 A degrees C annealing temperature for ...
Laser annealing and in situ absorption measurement of float glass implanted with Ag ions

Okur, İbrahim (ELSEVIER SCIENCE BV, 2004)

In this paper in situ pulsed laser annealing and absorption measurements results of Ag-implanted float glass are reported. A Nd:YAG laser harmonic at 266 nm was used to anneal the target area by coupling energy to the glass ...
Electronic and Magnetic Properties of Ca-Doped Mn-Ferrite

Üstündağ, Mehmet (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Spinel ferrite structures have vast applications, from microwave to radio frequencies. In order to acquire new electronic and optical behavior, divalent cations can be added to normal spinel ferrite structure. This way it ...
Energies and electric dipole transitions for sodium-like gold

Günday Konan, Gülay; Özdemir, Leyla (CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS, 2016)

We have reported energies and electric dipole transition parameters, such as transition probabilities, oscillator strengths, line strengths, and wavelengths for Na-like gold (Au68+, Z = 79) using AUTOSTRUCTURE atomic code. ...
Synthesis, X-Ray crystal structure, photophysical characterization and nonlinear optical properties of the unique manganese complex with picolinate and 1,10 phenantroline: toward the designing of new high NLO response crystal

Tamer, Ömer; Avcı, Davut; Atalay, Yusuf (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

The first manganese complex of picolinic acid (also known as 2-pyridinecarboxylic acid) and 1,10 phenantroline has been synthesized, and its structure has been fully characterized by means of X-Ray diffraction method as ...
The Optoelectronic Properties of Sb Doped BBi Compounds

Üstündağ, Mehmet; Yalçın, Battal Gazi; Aslan, Metin; Bağcı, Sadık (POLISH ACAD SCIENCES INST PHYSICS, 2016)

We have determined structural, electronic and optical properties of BBi1-xSbx alloy by using density functional theory based on the full potential linearized augmented plane wave method. For the exchange correlation ...
Electric dipole transition parameters for 2s3l3l '- and 2p(5)3l3l '-3l (l, l '=0, 1, 2) transitions in W63+

Günday Konan, Gülay; Özdemir, Leyla (ELSEVIER SCIENCE BV, 2016)

Energy levels and electric dipole (E1) transition parameters such as wavelengths, transition probabilities and oscillator strengths from the levels of 2s3l3l' and 2p(5)3l3l' to 3l, (l, l' = 0, 1, 2), in highly ionized ...
Dependence of the Depth-Dose Distributions and Ranges of Proton Beams in Water Medium on Geant4 Parameters

Bektaşoğlu, Mehmet (POLISH ACAD SCIENCES INST PHYSICS, 2016)

The aim of this work is to investigate the influence of the Geant4 parameters on the range and the depth-dose distribution (Bragg curve) of proton beams with incident energies of 90, 150 and 230 MeV injected upon a water ...
Humidity sensing properties of ferrite based Al-Cd nanoparticles as a fast response sensor device

Şentürk, Erdoğan (ELSEVIER SCIENCE SA, 2016)

The humidity sensing performance of Al-Cd ferrite nanoparticle manufactured by chemical co-precipitation method. The humidity sensing properties of the presented Al-Cd ferrite sensor was investigated by exposing it to a ...
Solvent Effects on Molecular Structure, Vibrational Frequencies, and NLO Properties of N-(2,3-Dichlorophenyl)-2-Nitrobenzene-Sulfonamide: a Density Functional Theory Study

Nadia Benhalima; Nourdine Boukabcha; Tamer, Ömer; Abdelkader Chouaih; Avcı, Davut; Atalay, Yusuf; Fodil Hamzaoui (SPRINGER, 2016)

Density functional theory (DFT) calculations have been performed to obtain optimized geometries, vibrational wavenumbers, highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) energies, ...
A Theoretical Study on Structural, Spectroscopic, Electronic and Nonlinear Optical Properties of 1-[(E)-{[4-(Morpholin-4-Yl)Phenyl]Imino}Methyl]Naphthalen-2-Ol

Hacer Pir Gumus; Tamer, Ömer; Avcı, Davut; Atalay, Yusuf; Erdogan Tarcan (SPRINGER, 2016)

Density functional theory calculations on ground state molecular geometry, stable conformers, and vibrational wavenumbers for 1-[(E)-{[4-(morpholin-4-yl)phenyl]imino}methyl]naphthalen-2-ol (MPIMN) molecule were performed ...
The Ground State Nilsson Quantum Numbers of the Odd-Odd Pr-138,Pr-140 Nuclei

Zemine Zenginerler; Ertuğral Yamaç, Filiz; Demirci Sayğı, Nilüfer; Tabar, Emre; Alı Akbar Kulıev; Ekber Gulıyev; Yasemin Atmaca (POLISH ACAD SCIENCES INST PHYSICS, 2016)

In this work, we have determined the Nilsson quantum numbers of the ground state of the odd-odd Pr-138,Pr-140 nucleus for the first time. To achieve it, several low energy neutron-proton two quasiparticle levels have been ...
Measurement of Seasonal Indoor Radon Concentration in Sakarya University, Turkey

Zemine Zenginerler; Ertuğral Yamaç, Filiz; Yakut, Hakan; Tabar, Emre; Demirci Sayğı, Nilüfer; Kübra Günermelikoğlu (POLISH ACAD SCIENCES INST PHYSICS, 2016)

Indoor radon measurements were performed using LR-115 type-II solid state nuclear track detectors in Sakarya University in classrooms, laboratories and offices during the period from July 2013 to June 2014. The results ...
Conductivity mechanism of mica powders inlaid elastomer based materials

Şentürk, Erdoğan; N. Akcakale; M. Okutan (ELSEVIER SCIENCE SA, 2016)

In this study, electrical properties of mica powder inlaid NR/SBR type elastomer based rubber material have been investigated by dielectric spectroscopy. Electrical modulus of this sample showed dispersion in the frequency ...
Time relaxation of dielectric constant in the commensurate phase of TlGaSe2

Şentürk, Erdoğan (PERGAMON-ELSEVIER SCIENCE LTD, 2004)

The results of measurements of the time dependences of the dielectric constant of TlGaSe2 in the commensurate ferroelectric phase are presented. From the result of the observation of the decay of e at different stabilized ...
Solvatochromic effect on UV-vis absorption and fluorescence emission spectra, second- and third-order nonlinear optical properties of dicyanovinyl-substituted thienylpyrroles: DFT and TDDFT study

Avcı, Davut; Tamer, Ömer; Atalay, Yusuf (ELSEVIER SCIENCE BV, 2016)

The nonlinear optical properties of dicyanovinyl-thienylpyrroles 1-6 compounds were investigated by the determining of the first-order molecular static hyperpolarizability (beta) and the second-order molecular static ...