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9 papers · 1 filter
Rise and fall of plaquette order in Shastry-Sutherland magnet revealed by pseudo-fermion functional renormalization group
Ahmet Keles, Erhai Zhao
The Shastry-Sutherland model as a canonical example of frustrated magnetism has been extensively studied. The conventional wisdom has been that the transition from the plaquette va…
Influence of steps on the tilting and adsorption dynamics of ordered Pn films on vicinal Ag(111) surfaces
E. Mete, I. Demiroglu, E. Albayrak +3
Here we present a structural study of pentacene (Pn) thin films on vicinal Ag(111) surfaces by He atom diffraction measurements and density functional theory (DFT) calculations sup…
A theoretical analysis of small Pt particles on rutile TiO(110) surfaces
Veysel Celik, Hatice Unal, Ersen Mete +1
The adsorption profiles and electronic structures of Pt (n = 1--4) clusters on stoichiometric, reduced and reconstructed rutile TiO(110) surfaces were systematically studie…
Modification of anatase TiO(001) surface electronic structure by Au impurity
E. Mete, O. Gulseren, S. Ellialtioglu
We have used density functional theory calculations based on the projector augmented wave method to investigate the electronic structure of Au-incorporated anatase TiO(001) sur…
Pt-incorporated anatase TiO2(001) surface for solar cell applications : First-principles density functional theory calculations
E. Mete, D. Uner, O. Gulseren +1
First-principles density functional theory calculations were carried out to determine the low energy geometries of anatase TiO(001) with Pt implants in the sublayers as substit…
Cs adsorption on Si(001) surface: ab initio study
R. Shaltaf, E. Mete, S. Ellialtioglu
First-principles calculations using density functional theory based on norm-conserving pseudopotentials have been performed to investigate the Cs adsorption on the Si(001) surface…