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Browsing Fizik / Physics by Author "Karaca, Ertuğrul"

Now showing items 1-16 of 16

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 orthorhombic MgPtSi

Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; G. P. Srivastava (ELSEVIER SCIENCE SA, 2016)

We have performed an ab initio study of electronic, vibrational and superconducting properties of the orthorhombic MgPtSi by employing the density functional theory, a linear-response formalism, and the plane-wave ...
Effects of spin-orbit coupling on the electron-phonon superconductivity in the cubic Laves-phase compounds CaIr2 and CaRh2

Tütüncü, Hüseyin Murat; Uzunok, Hüseyin Yasin; Karaca, Ertuğrul; E. Arslan; G. P. Srivastava (AMER PHYSICAL SOC, 2017)

We report our ab initio pseudopotential results for the structural, electronic, vibrational, and electron-phonon interaction properties of the cubic Laves-phase compounds CaIr2 and CaRh2. While the spin-orbit coupling (SOC) ...
Electron-phonon interaction and superconductivity in the borocarbide superconductor ScNi2B2C

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 ...
Electron-phonon interaction and superconductivity in the La3Ni2B2N3

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 ...
Electron-phonon interaction and superconductivity in the multiband superconductor beta-Bi2Pd

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 ...
Electron-phonon superconductivity in the filled skutterudites LaRu4P12, LaRu4As12, and LaPt4Ge12

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 ...
Electron-phonon superconductivity in the ternary phosphides BaM2P2 (M = Ni, Rh, and Ir)

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 ...
First-principles investigation of superconductivity in the body-centred tetragonal LaRu2P2

Karaca, Ertuğrul; S. Karadag; Tütüncü, Hüseyin Murat; G. P. Srivastava; S. Ugur (TAYLOR & FRANCIS LTD, 2016)

We have investigated the ground state and electronic properties of structure using a generalised gradient approximation of the density functional theory and the ab initio pseudopotential method. We find that the calculated ...
Physical properties of the body-centred tetragonal CaPd2Ge2

Karaca, Ertuğrul; E. Arslan; Tütüncü, Hüseyin Murat; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2017)

We have investigated the structural, elastic, electronic, and lattice dynamical properties of CaPd2Ge2 in the body-centred tetragonal ThCr2Si2 structure using a generalised gradient approximation of the density functional ...
Role of spin-orbit coupling in the physical properties of LaX3 (X=In, P, Bi) superconductors

Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; Uzunok, Hüseyin Yasin; G. P. Srivastava (AMER PHYSICAL SOC, 2018)

We report a comprehensive and complementary study on structural, elastic, mechanical, electronic, phonon, and electron-phonon interaction properties of LaX3 (X = In, Pb, and Bi) using first-principles density functional ...
Theoretical investigation of electron-phonon interaction in the orthorhombic phase of Mo2C

Karaca, Ertuğrul; Bağcı, Sadık; Tütüncü, Hüseyin Murat; Uzunok, Hüseyin Yasin; G. P. Srivastava (ELSEVIER SCIENCE SA, 2019)

We have studied the structural, electronic, elastic, mechanical, vibrational and electron-phonon interaction properties of Mo2C crystallizing in the simple orthorhombic zeta-Fe2N-type crystal structure by using the generalized ...
Theoretical investigation of superconductivity in SrAuSi3 and SrAu2Si2

Enes Arslan; Karaca, Ertuğrul; Tütüncü, Hüseyin Murat; Başoğlu, Adil; G. P. Srivastava (PERGAMON-ELSEVIER SCIENCE LTD, 2016)

The structural and electronic properties of BaNiSn3-type SrAuSi3 and ThCr2Si2-type SrAu2Si2 have been investigated by using the planewave pseudopotential method and the density functional theory. The electronic structures ...
Theoretical investigation of superconductivity in SrPd2Ge2, SrPd2As2, and CaPd2As2

Karaca, Ertuğrul; Tütüncü, Hüseyin Murat; Uzunok, Hüseyin Yasin; G. P. Srivastava; S. Ugur (AMER PHYSICAL SOC, 2016)

Ab initio pseudopotential calculations have been performed to investigate the structural, electronic, and vibrational properties of SrPd2Ge2, SrPd2As2, and CaPd2As2 crystallizing in the ThCr2Si2-type body-centered tetragonal ...
Theoretical investigation of superconductivity in ternary silicide NaAlSi with layered diamond-like structure

Tütüncü, Hüseyin Murat; Karaca, Ertuğrul; G. P. Srivastava (TAYLOR & FRANCIS LTD, 2016)

We have investigated the electronic structure, phonon modes and electron-phonon coupling to understand superconductivity in the ternary silicide NaAlSi with a layered diamond-like structure. Our electronic results, using ...