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Browsing Fen-Edebiyat Fakültesi by Subject "Physics"

Browsing Fen-Edebiyat Fakültesi by Subject "Physics"

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  • Ab initio calculations of surface phonons of the hydrogen-terminated Si(110)-(1 x 1) surface 
    Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; G. P. Srivastava (ELSEVIER SCIENCE BV, 2016)
    A first-principles study, using a linear-response approach based on the pseudopotential method and the generalised gradient approximation, has been made to examine the phonon spectrum of the hydrogen-terminated Si(110)-(1 ...
  • Ab initio investigation of BCS-type superconductivity in LuNi2B2C-type superconductors 
    Tütüncü, Hüseyin Murat; Uzunok, Hüseyin Yasin; Karaca, Ertuğrul; G. P. Srivastava; S. Ozer; S. Ugur (AMER PHYSICAL SOC, 2015)
    Ab initio pseudopotential calculations have been made to calculate the structural, electronic, vibrational, and superconducting properties of the borocarbide superconductors RM2B2C (R = Lu, La, Y; M = Ni,Pd,Pt). Using the ...
  • Ab initio investigation of superconductivity in noncentrosymmetric Ca3Ir4Ge4 
    Tütüncü, Hüseyin Murat; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2015)
    K is obtained, in good agreement with a recent experimental study.
  • Ab initio investigation of surface phonons on the (001) surface of KCl 
    Tütüncü, Hüseyin Murat; G. P. Srivastava (ELSEVIER, 2015)
    We present an ab initio investigation of localised and resonant phonons on the relaxed KCl(001) surface. Our calculated results are in good accordance with recent high-resolution helium atom scattering measurements. The ...
  • Ab initio investigations of phonon anomalies and superconductivity in the rock-salt YS 
    Tütüncü, Hüseyin Murat (TAYLOR & FRANCIS LTD, 2007)
    The phonon spectrum, phonon linewidths and electron-phonon coupling parameter for YS have been calculated by using a first-principles scheme, based on the application of the plane-wave pseudopotential method, density ...
  • Ab initio investigations of phonons and superconductivity in the cubic Laves structures LaAl2 and YAl2 
    Duman, Sıtkı; Tütüncü, Hüseyin Murat (AMER INST PHYSICS, 2012)
    We have performed an ab initio study of structural, elastic, electronic, lattice-dynamical, and electron-phonon interaction properties of the cubic Laves structures LaAl2 and YAl2. The calculations have been carried out ...
  • Ab initio investigations of the phonon anomaly and superconductivity in fcc La 
    Tütüncü, Hüseyin Murat (AMER INST PHYSICS, 2008)
    We have employed the ab initio plane wave pseudopotential method within a generalized gradient approximation of the density functional theory and a linear response approach to investigate the phonon anomaly and superconductivity ...
  • AIP Conference Proceedings 
    Ece Bal; Mustafa Dinc; Aynur Kilicarslan; Bahadir Salmankurt; Duman, Sıtkı; B Akkus; Y Oktem; Ls Yalcin; Rbc Mutlu; Gs Dogan (AMER INST PHYSICS, 2016)
    We have presented theoretical investigations of the atomic, elastic and lattice dynamical properties of ScGa3 using an ab-initio pseudopotential method and a linear response scheme, within the generalized gradient ...
  • AIP Conference Proceedings 
    Ahmet Okatan; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Halil Ibrahim Turgut (AMER INST PHYSICS, 2016)
    In this study, we investigated the selective and the synergistic cobalt extraction from acidic aqueous solutions by solvent extraction using tri-iso-octylamine (TIOA) and Tri-n-octyl phosphine oxide (TOPO) as carriers. The ...
  • AIP Conference Proceedings 
    Özdemir, Leyla; Usta, Betül; Ürer, Güldem (AMER INST PHYSICS, 2007)
    Energy calculations for some levels in H-, He- and Li-like sulphur have been obtained using multiconfiguration Hartree-Fock (MCHF) approximation with Breit-Pauli relativistic corrections. Results obtained have been compared ...
  • AIP Conference Proceedings 
    Ahmet Okatan; Eyüpoğlu, Volkan; Kumbasar, Recep Ali; Halil Ibrahim Turgut (AMER INST PHYSICS, 2016)
    In this study, we investigated the selective and the synergistic cobalt extraction from acidic aqueous solutions by solvent extraction using tri-iso-octylamine (TIOA) and Tri-n-octyl phosphine oxide (TOPO) as carriers. The ...
  • AIP Conference Proceedings 
    Ürer, Güldem; Arslan, Mustafa; E. Balkaya; A. Keceli; B Akkus; Y Oktem; Ls Yalcin; Rbc Mutlu; Gs Dogan (AMER INST PHYSICS, 2016)
    Radial expectation values, < r >, for helium like actinides (Z(Ac)=89, Z(Th)=90, Z(Pa)=91, Z(U)=92, and Z(Np)=93) are reported using the Multiconfiguration Hartree-Fock (MCHF) within the framework Breit-Pauli corrections. ...
  • AIP Conference Proceedings 
    Aynur Kilicarslan; Ece Bal; Mustafa Dinc; Bahadir Salmankurt; Duman, Sıtkı; B Akkus; Y Oktem; Ls Yalcin; Rbc Mutlu; Gs Dogan (AMER INST PHYSICS, 2016)
    We have employed the ab initio pseudopotential method, within a generalized gradient approximation of the density functional theory, a linear response approach, to determine atomic, elastic and lattice dynamical properties ...
  • Angular and energy distribution for parent primaries of cosmic muons at the sea level using Geant4 
    Arslan, Halil; Bektaşoğlu, Mehmet (ELSEVIER SCIENCE BV, 2015)
    The angular and energy distributions of the primary cosmic rays that are responsible for the muons reaching the sea level have been estimated using the Geant4 simulation package. The models used in the simulations were ...
  • Approximate Solution of Volterra-Stieltjes Linear Integral Equations of the Second Kind with the Generalized Trapezoid Rule 
    Hazar, Elman; Eröz, Mustafa (HINDAWI PUBLISHING CORP, 2016)
    The numerical solution of linear Volterra-Stieltjes integral equations of the second kind by using the generalized trapezoid rule is established and investigated. Also, the conditions on estimation of the error are determined ...
  • Atomic geometry, electronic states and vibrational properties of the AlAs(110) surface 
    Tütüncü, Hüseyin Murat (ELSEVIER SCIENCE BV, 2000)
    We have investigated the atomic geometry and electronic structure of the AlAs(110) surface by using the local density approximation of the density functional theory and ab initio pseudopotentials. The structural and ...
  • Atomic geometry, electronic structure, and vibrational properties of the AlSb(110) and GaSb(110) surfaces 
    Tütüncü, Hüseyin Murat (AMER PHYSICAL SOC, 1999)
    We have investigated the atomic geometry and electronic structure of the clean (110) surfaces of AlSb and GaSb using the nb initio pseudopotential theory. The calculated atomic geometry for these surfaces is in good agreement ...
  • Atomic vibrations on the alpha-Sn(001)(2x1) surface investigated by a linear response scheme and an adiabatic bond-charge model 
    Tütüncü, Hüseyin Murat; Duman, Sıtkı; Bağcı, Sadık (AMERICAN PHYSICAL SOC, 2005)
    The atomic geometry on the alpha-Sn(001)(2x1) surface have been studied by applying the ab initio pseudopotential method. Using the relaxed geometry, we studied atomic vibrations on this surface by employing two different ...
  • 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 ...
  • Band Gap Calculations of Ternary InN0.03125P0.96875 Alloy 
    Ustundag, M; Yalcin, BG; Bagci, S; Aslan, M; (POLISH ACAD SCIENCES INST PHYSICS, 2015)
    In the current study, structural and electronic properties of ternary dilute nitride InNxP1-x alloys have been investigated by using density functional theory. The equilibrium lattice parameter of studied material has been ...