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Related papers: CO adsorption on Cu(211) surface: first principle …

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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

The Kondo effect observed in recent STM experiments on transport through CoPc and TBrPP-Co molecules adsorbed on Au(111) and Cu(111) surfaces, respectively, is discussed within the framework of a simple model (Phys. Rev. Lett. {\bf 97},…

Strongly Correlated Electrons · Physics 2009-11-13 J. M. Aguiar-Hualde , G. Chiappe , E. Louis , E. V. Anda

Context. Carbon monoxide (CO) is arguably the most important molecule for interstellar organic chemistry. Its binding to amorphous solid water (ASW) ice regulates both diffusion and desorption processes. Accurately characterizing the CO…

Astrophysics of Galaxies · Physics 2025-11-19 Giulia M. Bovolenta , Germán Molpeceres , Kenji Furuya , Johannes Kästner , Stefan Vogt-Geisse

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

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 study by kinetic Monte Carlo simulations the dynamic behavior of a Ziff-Gulari-Barshad model with CO desorption for the reaction CO + O $\to$ CO$_2$ on a catalytic surface. Finite-size scaling analysis of the fluctuations and the…

Statistical Mechanics · Physics 2009-11-10 E. Machado , G. M. Buendia , P. A. Rikvold

Multi-component alloys offer broad tunability for addressing challenges in materials science, but their vast configurational space makes their surface chemistry highly sensitive to operating conditions, for example through adsorption and…

Materials Science · Physics 2026-03-03 Pernilla Ekborg-Tanner , Paul Erhart

This study explores atomic and molecular adsorption on a number of early transition-metal carbides (TMC's) by means of density-functional theory calculations. Trend studies are conducted with respect to both period and group in the periodic…

Materials Science · Physics 2012-05-14 Aleksandra Vojvodic , Carlo Ruberto , Bengt I. Lundqvist

We present a method used to intuitively interpret the STM contrast by investigating individual wave functions originating from the substrate and tip side. We use localized basis orbital density functional theory, and propagate the wave…

Mesoscale and Nanoscale Physics · Physics 2018-09-14 Alexander Gustafsson , Magnus Paulsson

We investigate Co nanostructures on Bi$_{2}$Se$_{3}$ by means of scanning tunneling microscopy and spectroscopy [STM/STS], X-ray absorption spectroscopy [XAS], X-ray magnetic dichroism [XMCD] and calculations using the density functional…

Mesoscale and Nanoscale Physics · Physics 2016-03-27 T. Eelbo , M. Sikora , G. Bihlmayer , M. Dobrzański , A. Kozłowski , I. Miotkowski , R. Wiesendanger

We study the atomic oxygen adsorption on Pb(111) surface by using density-functional theory within the generalized gradient approximation and a supercell approach. The atomic and energetic properties of purely on-surface and subsurface…

Materials Science · Physics 2009-11-13 Bo Sun , Ping Zhang , Zhigang Wang , Suqing Duan , Xian-Geng Zhao , Xuchun Ma , Qi-Kun Xue

The phase diagram of surface structures for the model catalyst RuO2(110) in contact with a gas environment of O2 and CO is calculated by density-functional theory and atomistic thermodynamics. Adsorption of the reactants is found to depend…

Materials Science · Physics 2009-11-10 Karsten Reuter , Matthias Scheffler

The geometrical and electronic properties of the monolayer (ML) of tetracene (Tc) molecules on Ag(111) are systematically investigated by means of DFT calculations with the use of localized basis set. The bridge and hollow adsorption…

Mesoscale and Nanoscale Physics · Physics 2016-11-09 N. L. Zaitsev , I. A. Nechaev , U. Höfer , E. V. Chulkov

The urgent need to mitigate rising atmospheric CO2 levels motivates the search for stable, efficient, and tunable adsorbent materials. In this study, we employ first-principles density functional theory to investigate the adsorption of CO2…

Materials Science · Physics 2026-02-16 Jakkapat Seeyangnok , Rungkiat Nganglumpoon , Joongjai Panpranot , Udomsilp Pinsook

We carry out a first-principles density functional study of the interaction between a monatomic Pt wire and a CO molecule, comparing the energy of different adsorption configurations (bridge, on top, substitutional, and tilted bridge) and…

Materials Science · Physics 2013-01-25 G. Sclauzero , A. Dal Corso , A. Smogunov , E. Tosatti

The long-timescale behavior of adsorbed carbon monoxide on the surface of amorphous water ice is studied under dense cloud conditions by means of off-lattice, on-the-fly, kinetic Monte Carlo simula- tions. It is found that the CO mobility…

Astrophysics of Galaxies · Physics 2014-01-08 L. J. Karssemeijer , S. Ioppolo , M. C. van Hemert , A. van der Avoird , M. A. Allodi , G. A. Blake , H. M. Cuppen

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

Four-point measurements using a multi-tip scanning tunneling microscope (STM) are carried out in order to determine surface and step conductivities on Si(111) surfaces. In a first step, distance-dependent four-point measurements in the…

Mesoscale and Nanoscale Physics · Physics 2016-10-10 Sven Just , Marcus Blab , Stefan Korte , Vasily Cherepanov , Helmut Soltner , Bert Voigtländer

Oxygen adsorption onto Ru (10 bar 1 0) results in the formation of two ordered overlayers, i.e. a c(2 times 4)-2O and a (2 times 1)pg-2O phase, which were analyzed by low-energy electron diffraction (LEED) and density functional theory…

In this study we employ Density Functional Theory (DFT) methods to investigate the surface energy barrier for electron emission (surface barrier) and thermodynamic stability of Ba and Ba-O species adsorption under conditions of high…

Materials Science · Physics 2016-07-08 Ryan M. Jacobs , John H. Booske , Dane Morgan