Açık Akademik Arşiv Sistemi

Browsing Makale Koleksiyonu by Title

Browsing Makale Koleksiyonu by Title

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  • Eser, Selda; Özdemir, Leyla; Usta, Betül (PERGAMON-ELSEVIER SCIENCE LTD, 2015)
    We have calculated the logarithmic weighted oscillator strengths and transition probabilities (or rates) for 3d(6)4s-3d(6)4p electric dipole transitions in neutral manganese (Mn I, Z=25) by using two configuration interaction ...
  • Özdemir, Leyla; Ürer, Güldem; Usta, Betül (PERGAMON-ELSEVIER SCIENCE LTD, 2008)
    We have calculated relativistic energies, weighted oscillator strengths and transition probabilities for electric dipole (El) transitions among the terms belonging to 1snl (n <= 9, l <= 3) configurations in helium-like ...
  • Usta, Betül; Özdemir, Leyla (PERGAMON-ELSEVIER SCIENCE LTD, 2008)
    Wavelengths, weighted oscillator strengths and transition probabilities for electric dipole (El) transitions for some excited levels in neutral lanthanum (La I, Z = 57) have been calculated using the multiconfiguration ...
  • Usta, Betül; Özdemir, Leyla (SPRINGER HEIDELBERG, 2011)
    The aim of this study was to obtain a description of the neutral lutetium spectrum. We calculated the radiative parameters (wavelengths, weighted oscillator strengths and transition probabilities) for electric dipole (E1) ...
  • Usta, Betül; Özdemir, Leyla (KOREAN PHYSICAL SOC, 2011)
    We have calculated the electric dipole transition parameters (wavelengths, weighted oscillator strengths, and transition probabilities) for some excited levels in neutral ytterbium (Yb I, Z = 70) by using two configuration ...
  • Özdemir, Leyla; Usta, Betül; Ürer, Güldem (INDIAN ASSOC CULTIVATION SCIENCE, 2007)
    For some excited levels, transition energies, wavelengths, oscillator strengths and transition probabilities calculations in neutral silver (Ag I) have been calculated within the framework multiconfiguration Hartree-Fock ...
  • Karakuş, Yusuf; Demir, Adem; Demir, Aydın (HINDAWI PUBLISHING CORPORATION, 2011)
    An E7 coded nematic liquid crystal was doped with zinc phthalocyanine and poly (3-hexylthiophene). A variety of properties including relaxation time, absorption coefficient, and critical frequency of this doped system were ...
  • Bektaşoğlu, Mehmet (AMER PHYSICAL SOC, 2006)
    We report results from an experiment measuring the semiinclusive reaction H-2(e,e(')p(s)) in which the proton p(s) is moving at a large angle relative to the momentum transfer. If we assume that the proton was a spectator ...
  • Doğan, Metin; Okur, İbrahim (AMER PHYSICAL SOC, 2011)
    An experimental study of the excitation of the (2p(2)) D-1 and (2s2p) P-1(o) autoionizing states of helium by 250-eV electron impact is presented. The ejected-electron angular distributions and energy spectra are measured ...
  • Tütüncü, Hüseyin Murat; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2015)
    We have made an extensive study of the electronic band structure and phonon spectrum, and the electron-phonon interaction, in BaSn5 by employing an ab initio pseudopotential method and a linear response scheme. The Sn atoms ...
  • Tütüncü, Hüseyin Murat (PERGAMON-ELSEVIER SCIENCE LTD, 2015)
    The ground state and electronic properties of the recently discovered superconducting SnAs in the sodium chloride crystal structure have been examined using density functional theory within the generalized gradient ...
  • Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2017)
    We have made an ab initio investigation of electron-phonon interaction and superconductivity in the borocarbide superconductor ScNi2B2C adopting the body-centred tetragonal LuNi2B2C-type of layered crystal structure. The ...
  • Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; Ertugrul Karaca; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2017)
    Based on first-principles pseudopotential plane-wave method within the generalised gradient approximation, we have studied the structural, electronic, vibrational and BCS superconducting properties of La3Ni2B2N3. The ...
  • S. Saib; Karaca, Ertuğrul; Tütüncü, Hüseyin Murat; G. P. Srivastava (ELSEVIER SCI LTD, 2017)
    We have investigated the structural, electronic, and vibrational properties of beta-Bi2Pd in the body-centered tetragonal CaC2 structure using a generalized gradient approximation of the density functional theory and the ...
  • Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; G. P. Srivastava (AMER PHYSICAL SOC, 2017)
    We have reported on the structural, elastic, electronic, lattice dynamical and electron-phonon interaction properties of LaT4X12 (T = Ru, Pt and X = P, As, Ge) by using the generalized gradient approximation of the density ...
  • Karaca, Ertuğrul; Tütüncü, Hüseyin Murat; G. P. Srivastava; S. Ugur (AMER PHYSICAL SOC, 2016)
    Ab initio plane-wave pseudopotential calculations of electronic and vibrational properties have been carried out for the ternary phosphides BaM2P2 (M = Ni, Rh and Ir) with a ThCr2Si2-type structure. The calculated electronic ...
  • 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 ...
  • Yalçın, Battal Gazi; Bağcı, Sadık; Üstündağ, Mehmet; Aslan, Metin (ELSEVIER SCIENCE BV, 2015)
    III-Bi compounds have been extensively studied in recent years because of their wide applications in optoelectronic devices. Despite the wealth of theoretical works, optical properties of first two members of this family, ...
  • Bağcı, Sadık; Duman, Sıtkı; Tütüncü, Hüseyin Murat (AMER PHYSICAL SOC, 2009)
    We have employed the ab initio plane-wave pseudopotential method, within a local-density approximation of the density-functional theory, and a linear-response approach, to investigate structural, electronic and phonon ...
  • Tütüncü, Hüseyin Murat (AMER PHYSICAL SOC, 2002)
    We have investigated the atomic geometry, electronic structure, and vibrational properties of the As and Sb deposited InP(110)-(1 X 1) surface by using a combination of the plane-wave pseudopotential method and an adiabatic ...