Makale Koleksiyonu: Recent submissions

Now showing items 301-320 of 435

Characterizing the atomic mass surface beyond the proton drip line via alpha-decay measurements of the pi s(1/2) ground state of Re-165 and the pi h(11/2) isomer in Ta-161

Ertuğral Yamaç, Filiz (AMER PHYSICAL SOC, 2012)

The alpha-decay chains originating from the pi s(1/2) and pi h(11/2) states in Au-173 have been investigated following fusion-evaporation reactions. Four generations of alpha radioactivities have been correlated with ...
QPNM calculation for the ground state magnetic moments of odd-mass deformed nuclei: Er157-167 isotopes

Yakut, Hakan; Ekber Gulıyev; Güner, Mehmet; Tabar, Emre; Zemine Zenginerler (ELSEVIER SCIENCE BV, 2012)

A new microscopic method has been developed in the framework of the Quasiparticle-Phonon Nuclear Model (QPNM) in order to investigate spin polarization effects on the magnetic properties such as magnetic moment. intrinsic ...
Molecular structure, vibrational spectra, NLO and NBO analysis of bis(8-oxy-1-methylquinolinium) hydroiodide

Avcı, Davut; Atalay, Yusuf (PERGAMON-ELSEVIER SCIENCE LTD, 2012)

In this paper, quantum chemistry calculations of geometric parameters, harmonic vibrational wavenumbers, molecular frontier orbital energies (HOMO and LUMO) and the electronic properties of bis(8-oxy-1-methylquinolinium) ...
Helium atom diffraction study of low coverage phases of decanethiol self-assembled monolayers prepared by supersonic molecular beam deposition

Duman, Sıtkı (ELSEVIER SCIENCE BV, 2013)

Thiol self-assembled monolayers (SAMs) on gold surfaces have a wide range of applications including surface patterning and metal contact-organic semiconductor interface modification in organic electronic devices. Here we ...
Phonons and superconductivity in the cubic perovskite Cr3RhN

Tütüncü, Hüseyin Murat (AMER INST PHYSICS, 2012)

We have performed an ab initio study of structural, electronic, vibrational, and superconducting properties of Cr3RhN. The calculations have been carried out by employing the density functional theory, a linear-response ...
Simulations of Muon Flux in Slanic Salt Mine

Bektaşoğlu, Mehmet; Arslan, Halil (HINDAWI LTD, 2012)

Geant4 simulation package was used to simulate muon fluxes at different locations, the floor of UNIREA mine and two levels of CANTACUZINO mine, of Slanic Prahova site in Romania. This site is specially important since it ...
Energy Levels, E1, E2, and M1 Transitions for Pa V

Ürer, Güldem; Özdemir, Leyla (ELSEVIER, 2012)

Using the multiconfiguration Hartree-Fock and multiconfiguration Dirac-Fock methods, we calculated the energy levels, electric dipole (E1), electric quadrupole (E2), and magnetic dipole (M1) transition parameters, such as ...
OLPT CONDUCTIVITY IN WOLLASTONITE INLAID NR/SBR TYPE ELASTOMER BASED MATERIAL

Şentürk, Erdoğan; Demirer, Ahmet; Okur, İbrahim (UNIV CHEMISTRY & TECHNOLOGY, PRAGUE, 2012)

The electrical properties of wollastonite inlaid NR/SBR type elastomer based material have been evaluated. Electrical properties of the samples were measured in the temperature range of 303 to 453 K and the frequency range ...
Nature of the scissors mode in nuclei near shell closure: the tellurium isotope chain

Guliyev, Ali (ELSEVIER SCIENCE BV, 2002)

Quasiparticle random-phase approximation calculations, where rotational, translational and Galilean invariance are restored selfconsistently by using separable effective forces, are presented for the ground state dipole ...
Bis(mu-3-hydroxybenzoato)-kappa O-3(1),O-1 ':O-1;kappa O-3(1):O-1,O-1 '-bis[(3-hydroxybenzoato-kappa O-2,O ')(isonicotinamide-kappa N-1)cadmium] tetrahydrate

Delibaş, Nagihan (WILEY-BLACKWELL, 2012)

In the title centrosymmetric binuclear Cd-II compound, [Cd-2(C7H5O3)(4)(C6H6N2O)(2)]center dot 4H(2)O, the six-coordinated Cd-II atom is chelated by the carboxylate groups of the two 3-hydroxybenzoate (HB) anions; the two ...
Azimuthal angular dependence study of the atmospheric muon charge ratio at sea level using Geant4

Arslan, Halil; Bektaşoğlu, Mehmet (IOP PUBLISHING LTD, 2012)

The azimuth dependence of the cosmic muon charge ratio at sea level was estimated using the Geant4 simulation package. Simulations were separately run at 12 azimuth angles ranging from 0 degrees to 330 degrees with 30 ...
Estimation of the effects of the Earth's electric and magnetic fields on cosmic muons at sea level by Geant4

Bektaşoğlu, Mehmet; Arslan, Halil (PERGAMON-ELSEVIER SCIENCE LTD, 2012)

We have investigated effects of the Earth's electric and magnetic fields on the cosmic muon fluxes at sea level using the Geant4 simulation package. Energies and fluxes of the primary protons and alpha particles incident ...
First-principles study of electronic and dynamical properties of the TaC(001) surface

Tütüncü, Hüseyin Murat; Bağcı, Sadık; Duman, Sıtkı (ELSEVIER SCIENCE SA, 2012)

We have made theoretical investigations of the atomic geometry, electronic structure, and lattice dynamics of the (001) surface of TaC. The atomic geometry and electronic structure for this surface have been calculated by ...
Energies and Electric Dipole Transitions for Low-Lying Levels of Protactinium IV and Uranium V

Ürer, Güldem; Özdemir, Leyla (VERLAG Z NATURFORSCH, 2012)

We have reported a relativistic multiconfiguration Dirac-Fock (MCDF) study on low-lying level structures of protactinium IV (Z = 91) and uranium V (Z = 92) ions. Excitation energies and electric dipole (El) transition ...
Phonons on GaN(110)

Tütüncü, Hüseyin Murat (AMER INST PHYSICS, 2002)

We present results of adiabatic bond-charge model calculations for the vibrational properties of the GaN(110) surface using electronic and structural data obtained from a first-principles pseudopotential method. It is found ...
First observation of excited states of Hg-173

Ertuğral Yamaç, Filiz (AMER PHYSICAL SOC, 2012)

The neutron-deficient nucleus Hg-173 has been studied following fusion-evaporation reactions. The observation of the decay of excited states via gamma radiation are reported for the first time and a tentative level scheme ...
trans-Tetraaquabis(isonicotinamide-kappa N-1)nickel(II) bis(3-hydroxybenzoate) tetrahydrate

Delibaş, Nagihan (WILEY-BLACKWELL, 2012)

The asymmetric unit of the title compound, [Ni(C6H6N2O)(2)(H2O)(4)](C7H5O3)(2)center dot 4H(2)O, contains one-half of the complex cation with the Ni-II ion located on an inversion center, a 3-hydroxybenzoate counter-anion ...
Transition Energies of Lutetium

Usta, Betül; Özdemir, Leyla (PHYSICAL SOC REPUBLIC CHINA, 2012)

Transition energies of neutral lutetium (Lu I, Z = 71) belonging to the lanthanide series, including the ionization potential, excitation energies, and electron affinity, are calculated by the multiconfiguration Hartree-Fock ...
Theoretical Studies of Molecular Structure and Vibrational Spectra of Melaminium Salt: 2,4,6-Triamino-1,3,5-triazin-1,3-ium Tartrate Monohydrate

Avcı, Davut; Atalay, Yusuf (SPRINGER HEIDELBERG, 2012)

The optimized geometric parameters and vibrational frequencies of melaminium salt: 2,4,6-triamino-1,3,5-triazin-1,3-ium tartrate monohydrate in the ground state have been calculated by using the Hartree-Fock (HF) and density ...
Design and optimization of Bi-metallic Ag-ZSM5 catalysts for catalytic oxidation of volatile organic compounds

Delibaş, Nagihan (ELSEVIER SCIENCE INC, 2012)

A neural network model was coupled with genetic algorithm to find an optimal catalyst for elimination of volatile organic compounds (VOCs). The model was based on simultaneous investigation of catalyst formulation, preparation ...