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Related papers: CO adsorption on metal surfaces: a hybrid function…

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First-principles calculations using density functional theory based on norm-conserving pseudopotentials have been performed to investigate the Mg adsorption on the Si(001) surface for 1/4, 1/2 and 1 monolayer coverages. For both 1/4 and 1/2…

Soft Condensed Matter · Physics 2007-05-23 R. Shaltaf , E. Mete , Ş. Ellialtıoğlu

We apply periodic domain-based local pair natural orbital second-order M{\o}ller--Plesset perturbation theory (DLPNO-MP2) to probe the adsorption energy of CO on MgO(001), the consensus toy model system for surface adsorption. A number of…

Chemical Physics · Physics 2026-01-01 Andrew Zhu , Poramas Komonvasee , Arman Nejad , David P. Tew

By means of ab initio calculations, we have investigated the effect of H adsorption in the structural, electronic and magnetic properties of ultrathin Co films on Ru(0001). Our calculations predict that H occupies hollow sites preserving…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Silvia Gallego , Nadia Sanchez , Sofia Martin , Carmen Muñoz , Laszlo Szunyogh

The adsorption equilibrium constants of monovalent and divalent cations to material surfaces in aqueous media are central to many technological, natural, and geochemical processes. Cation adsorption/desorption is often proposed to occur in…

We performed high-dimensional quantum dynamical calculations of the dissociative adsorption and associative desorption of hydrogen on Cu(111). The potential energy surface (PES) is obtained from density functional theory calculations. Two…

mtrl-th · Physics 2009-10-28 A. Gross , B. Hammer , M. Scheffler , W. Brenig

The adsorption of hydrogen at nonpolar GaN(1-100) surfaces and its impact on the electronic and vibrational properties is investigated using surface electron spectroscopy in combination with density functional theory (DFT) calculations. For…

Materials Science · Physics 2017-06-28 L. Lymperakis , J. Neugebauer , M. Himmerlich , S. Krischok , M. Rink , J. Kröger , V. M. Polyakov

Many ordered adlayer structures have been reported for CO on the (100) surfaces of Pt, Rh, Pd, Ni and Cu. Also, some ordered structures are known for NO on the same surfaces. The current review includes all those articles that give a…

Materials Science · Physics 2009-06-15 C. G. M. Hermse

In this work we have employed density-functional theory with hybrid functionals to investigate the atomic and electronic structure of bare and hydrogenated Co doped ZnO nanowires. We find that in the absence of passivation on the nanowire…

Materials Science · Physics 2018-08-09 A. L. Rosa , L. L. Tacca , Th. Frauenheim

We present the results of the modelling of CO adsorption and catalytic CO oxidation on inhomogeneous Pt(100) surfaces which contain structurally different areas. These areas are formed during the CO-induced transition from a reconstructed…

Statistical Mechanics · Physics 2008-02-09 Natalia Pavlenko

The segregation behavior of the bimetallic alloys PtPd and CoCr in the case of bare surfaces and in the presence of an oxygen ad-layer has been studied by means of first-principles modeling based on density-functional theory (DFT). For both…

The variation of the work function upon carbon adsorption on the reconstructed Au(110) surface is measured experimentally and compared to density functional calculations. The adsorption dynamics is simulated with ab-initio molecular…

Atomic Physics · Physics 2018-08-08 H. Z. Jooya , K. S. McKay , E. Kim , P. F. Weck , D. P. Pappas , D. A. Hite , H. R. Sadeghpour

The photo-induced desorption and oxidation of CO on Ru(0001) is simulated using ab initio molecular dynamics with electronic friction that accounts for the non-equilibrated excited electrons and phonons. Different (O,CO) coverages are…

Materials Science · Physics 2023-07-06 Auguste Tetenoire , J. Iñaki Juaristi , Maite Alducin

We present an accurate, first-principles study of the electronic structure and absorption spectrum of bulk copper within Density Functional Theory in the Local Density Approximation (DFT-LDA), including the study of intraband transitions.…

Materials Science · Physics 2009-11-07 Andrea Marini , Giovanni Onida , Rodolfo Del Sole

Using density functional theory and an exchange-correlationfunctional that includes the van der Waals interaction, we study the coadsorption of CO on Ru(0001) saturated with 0.5 ML of oxygen. Different coexisting CO coverages are considered…

Materials Science · Physics 2021-06-09 Auguste Tetenoire , J. Iñaki Juaristi , Maite Alducin

The structure and dynamics of atomic oxygen adsorbed on Ag(410) and Ag(210) surfaces have been investigated using density functional theory. Our results show that the adsorption configuration in which O adatoms decorate the upper side of…

Materials Science · Physics 2009-11-10 N. Bonini , A. Kokalj , A. Dal Corso , S. de Gironcoli , S. Baroni

A nearly-free-electron (NFE) model to describe STM spectroscopy of (111) metal surfaces with Kondo impurities is presented. Surface states are found to play an important role giving a larger contribution to the conductance in the case of…

Strongly Correlated Electrons · Physics 2009-11-10 J. Merino , O. Gunnarsson

The structures and energetics of organic molecules adsorbed onto clean and H-passivated Si(001)-(2$\times$1) surfaces have been calculated using density functional theory. For benzene adsorbed on the clean Si surface the tight-bridge…

Materials Science · Physics 2009-11-13 Karen Johnston , Risto M. Nieminen

In this work, we use the first-principle density-functional approach to study the electronic structure of a H atom adsorbed on the ideal Pt(111) and vicinal Pt(211) and Pt(331) surfaces. Full three-dimensional potential-energy surfaces (3D…

Materials Science · Physics 2009-08-04 T. Vehviläinen , P. Salo , T. Ala-Nissila , S. C. Ying

In this work we investigate the electronic properties of mercaptocarboxylic acids with several carbon chain lengths adsorbed on ZnO-(10-10) surfaces via density functional theory calculations using semi-local and hybrid exchange-correlation…

Materials Science · Physics 2018-10-05 Dennis Franke , Michael Lorke , Thomas Frauenheim , Andrea L. daRosa

Copper-based catalysts are of particular interest for electrochemical reduction of CO$_2$ (CO2RR) as products beyond CO can form. To improve activity and selectivity, several studies have focused on the addition of other elements as…