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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

Adsorption of the molecule CO on metallic surfaces is an important unsolved problem in Kohn-Sham density functional theory (KS-DFT). We present a detailed study of carbon monoxide adsorption on fcc (111) surfaces of 3d, 4d and 5d metals…

Materials Science · Physics 2019-08-07 Abhirup Patra , Haowei Peng , Jianwei Sun , John P. Perdew

We present a systematic theoretical investigation of the surface properties, stability and reactivity, of rock-salt type alkaline-earth metal oxides including MgO, CaO, SrO, and BaO. The accuracy of commonly used exchange-correlation…

Materials Science · Physics 2015-06-23 Michal Bajdich , Jens K. Nørskov , Aleksandra Vojvodic

CO adsorption on an Au monatomic chain is studied within density functional theory in nanocontact geometries as a function of the contact stretching. We compare the bridge and atop adsorption sites of CO, finding that the bridge site is…

Mesoscale and Nanoscale Physics · Physics 2012-05-23 Gabriele Sclauzero , Andrea Dal Corso , Alexander Smogunov

We study how the binding energy, the vibrational frequencies and the adsorption isotherm of CO on Pd(100) are modified when the solid is subject to uniform strain. The parameters controlling the thermodynamics of adsorption (the adsorption…

Condensed Matter · Physics 2009-10-31 M. W. Wu , H. Metiu

The adsorption kinetics of CO on PdAu bimetallic clusters, containing 140 $\pm$ 12 atoms and a composition varying between 0% and 55% of Pd atoms, is investigated by a pulsed molecular beam method (MBRS). The clusters are grown on a…

Materials Science · Physics 2020-11-03 Georges Sitja , Claude R Henry

The adsorption of potassium on the Cu(111) surface in a 2x2 pattern has been simulated with all-electron full-potential density functional calculations. The top site is found to be the preferred adsorption site, with the other highly…

Materials Science · Physics 2009-11-07 K. Doll

We present a first-principles computational study of non-polar ZnO (10$\bar{1}$0) surfaces doped with indium. The calculations were performed using a model ZnO slab. The position of the In dopants was varied from deep bulk-like layers to…

Materials Science · Physics 2019-05-22 R. Saniz , N. Sarmadian , B. Partoens , M. Batuk , J. Hadermann , A. Marikutsa , M. Rumyantseva , A. Gaskov , D. Lamoen

The success of density functional theory for the description of the adsorption of atoms on surfaces is well established, and based on recent calculations using gradient corrections, it has been shown that it also describes well the…

mtrl-th · Physics 2008-02-03 Catherine Stampfl

CO adsorption on the Pt(111) surface is studied using first-principles methods. As found in a recent study [Feibelman, et al., J. Phys. Chem. B 105, 4018 (2001)], we find the preferred adsorption site within density functional theory to be…

Materials Science · Physics 2009-11-07 Ilya Grinberg , Yashar Yourdshahyan , Andrew M. Rappe

Scanning tunneling microscope data from a dinuclear Co(II) complex adsorbed on Au(111) are analysed using density functional theory calculations. We find that the interaction with the substrate substantially changes the geometry of the…

The "CO adsorption puzzle", a persistent failure of utilizing generalized gradient approximations (GGA) in density functional theory to replicate CO's experimental preference for top-site adsorption on transition-metal surfaces, remains a…

Materials Science · Physics 2025-07-30 Xinyuan Liang , Renxi Liu , Mohan Chen

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

First-principles calculations have been performed to study the effects of adsorbates (CO molecules and O atoms) and defects on electronic structures and transport properties of Au nanotubes (Au(5, 3) and Au(5, 5)). For CO adsorption,…

Mesoscale and Nanoscale Physics · Physics 2011-08-04 Yongqing Cai , Miao Zhou , Minggang Zeng , Chun Zhang , Yuan Ping Feng

The interaction of CO with the Fe3O4(001)-(rt2xrt2)R45{\deg} surface was studied using temperature programmed desorption (TPD), scanning tunneling microscopy (STM) and x-ray photoelectron spectroscopy (XPS), the latter both under ultrahigh…

Adsorption and dissociation of hydrocarbons on metallic surfaces represent crucial steps to carburization of metal. Here, we use density functional theory total energy calculations with the climbing-image nudged elastic band method to…

Computational Physics · Physics 2016-09-07 Aurab Chakrabarty , Othmane Bouhali , Normand Mousseau , Charlotte S. Becquart , Fadwa El Mellouhi

Two-pulse correlation experiments performed using pulses of different intensities on Pd(111) with different CO coverages showed that the CO photodesorption probability depends on whether the strong or the weak pulse arrives first to the…

The adsorption of CO on the Pt(111) surface in a root3 x root3 pattern has been studied with the gradient corrected functional of Perdew and Wang and the B3LYP hybrid functional. A slab which is periodic in two dimensions is used to model…

Materials Science · Physics 2009-11-10 K. Doll

Full-potential gradient corrected density functional calculations of the adsorption of potassium on the Ag(111) surface have been performed. The considered structures are Ag(111) (root 3 x root 3) R30degree-K and Ag(111) (2 x 2)-K. For the…

Materials Science · Physics 2016-08-31 K. Doll

The effects of plateau width and step edge kinking on carbon monoxide (CO)-induced restructuring of platinum surfaces were explored using molecular dynamics (MD) simulations. Platinum crystals displaying four different vicinal surfaces…

Chemical Physics · Physics 2016-08-23 Joseph R. Michalka , Andrew P. Latham , J. Daniel Gezelter