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Related papers: Chlorine adsorption on the Cu(111) surface

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The effect of hydrogen adsorption on the magnetic properties of an Fe$_3$ cluster immersed in a Cu(111) surface has been calculated using densifty functional theory and the results used to parametrize an Alexander-Anderson model which takes…

Mesoscale and Nanoscale Physics · Physics 2013-12-16 Pavel F. Bessarab , Valery M. Uzdin , Hannes Jónsson

First-principles density-functional theory has been used to investigate equilibrium geometries, total energies, and diffusion barriers for H as an interstitial impurity absorbed in $\alpha$-Fe. Internal strains/stresses upon hydrogen…

Materials Science · Physics 2011-06-03 J. Sanchez , J. Fullea , C. Andrade , P. L. de Andres

Chemical adsorption of atomic hydrogen on a negatively charged single layer graphene sheet has been analyzed with ab-initio Density Functional Theory calculations. We have simulated both finite clusters and infinite periodic systems to…

Materials Science · Physics 2015-05-18 J. A. Verges , P. L. de Andres

Nowadays, electrochemical reduction of CO$_2$ has been considered as an effective method to solve the problem of global warming. The primary challenge in studying the mechanism is to determine the adsorption states of CO$_2$, since…

Chemical Physics · Physics 2020-07-03 Shuai Guo , Yao Li , Lei Liu , Xiangping Zhang , Suojiang Zhang

The absorption energy of atomic hydrogen at rotated graphene bilayers is studied using ab initio methods based on the density functional theory including van der Waals interactions. We find that, due to the surface corrugation induced by…

Mesoscale and Nanoscale Physics · Physics 2017-10-06 Ivan Brihuega , Felix Yndurain

We have experimentally determined the lateral registry and geometric structure of free-base porphine (2H-P) and copper-metalated porphine (Cu-P) adsorbed on Cu(111), by means of energy-scanned photoelectron diffraction (PhD), and compared…

Density functional theory within the generalized-gradient approximation is used to study the adsorption of the isocyanides CNH and CNCH3 on the gold (111) surface at several coverages. It is found that these molecules are highly selective…

Other Condensed Matter · Physics 2007-05-23 Yulia Gilman , Philip B. Allen , Mark S. Hybertsen

Molecular adsorption on surfaces plays a central role in catalysis, corrosion, desalination, and many other processes of relevance to industry and the natural world. Few adsorption systems are more ubiquitous or of more widespread…

Motivated by the recent photochlorination experiment [B. Li et al., ACS Nano 5, 5957 (2011)], we study theoretically the interaction of chlorine with graphene. In previous theoretical studies, covalent binding between chlorine and carbon…

Mesoscale and Nanoscale Physics · Physics 2012-05-03 M. Ijäs , P. Havu , A. Harju

Recent observations from the Hubble Space Telescope show a mid-UV absorption feature localized to leading hemisphere chaos regions on Europa. The same regions were previously found to have a visible absorption at 450 nm that was attributed…

Earth and Planetary Astrophysics · Physics 2022-01-06 Michael E. Brown , William T. P. Denman , Samantha K. Trumbo

We give the results of density functional calculations for graphene with a widely varying fluorine adsorptions. We give a systematic analysis of the adsorption energies, lattice constants, bulk modulus, bandgap openings, and magnetic…

Materials Science · Physics 2014-11-13 Chad E. Junkermeier , Stefan C. Badescu , Thomas L. Reinecke

We analyze, with Density Functional Theory (DFT) calculations, the adsorption energies of Li$_2$O$_2$, Na$_2$O$_2$ and NaO$_2$ on clean and oxygen passivated TiC (111) surfaces. We show, that after deposition of two molecular layers of…

Chemical Physics · Physics 2018-09-10 Keren Raz , Polina Tereshchuk , Diana Golodnitsky , Amir Natan

Extensive density-functional calculations on atomic chemisorption of H, B, C, N, O, F, Al, Si, P, S, and Cl on the polar TiC(111) and TiN(111) yield similar adsorption trends for the two surfaces: (i) pyramid-like adsorption-energy trends…

Materials Science · Physics 2009-11-11 Aleksandra Vojvodic , Carlo Ruberto , Bengt I. Lundqvist

The adsorption of a collagen fragment on both a hydrophobic, hydrogen-terminated and a hydrophilic, natively oxidised Si surface is investigated using all-atom molecular dynamics. While favourable direct protein-surface interactions via…

Soft Condensed Matter · Physics 2019-03-27 Daniel J. Cole , Mike C. Payne , Lucio Colombi Ciacchi

Adsorption of $O_{2}$ molecule on Al surface has been a long standing puzzle for the first principles calculation. We have studied the adsorption of $O_{2}$ molecule on the Al(111) surface using hybrid functionals. In contrast to the…

Materials Science · Physics 2012-10-30 Heng-Rui Liu , Hongjun Xiang , X. G. Gong

The adsorption of hydrogen on the polar Zn-ended ZnO(0001) surface has been investigated by density functional {\it ab-initio} calculations. An on top H(1x1) ordered overlayer with genuine H-Zn chemical bonds is shown to be energetically…

Materials Science · Physics 2015-05-13 N. Sanchez , S. Gallego , J. Cerdá , M. C. Muñoz

Equilibrium atomic configurations and electron energy structure of ethanol adsorbed on the Si (111) surface are studied by the first-principles density functional theory. Geometry optimization is performed by the total energy minimization…

Computational Physics · Physics 2008-02-11 A. V. Gavrilenko , C. E. Bonner , V. I. Gavrilenko

The ability of atomic hydrogen to chemisorb on graphene makes the latter a promising material for hydrogen storage. Based on scanning tunneling microscopy techniques, we report on site-selective adsorption of atomic hydrogen on convexly…

We investigate the adsorption of cobalt phthalocyanine (CoPc) molecules on a thin layer of cobalt oxide grown on Ir(100). To that end we compare the results of low-temperature scanning tunneling microscopy (STM) with those of ab-initio…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Tobias Schmitt , Pascal Ferstl , Lutz Hammer , M. Alexander Schneider , Josef Redinger

Density-functional calculations on the polar TiX(111) (X = C, N) surfaces show (i) for clean surfaces, strong Ti3d-derived surface resonances (SR's) at the Fermi level and X2p-derived SR's deep in the upper valence band and (ii) for adatoms…

Materials Science · Physics 2009-11-11 Carlo Ruberto , Aleksandra Vojvodic , Bengt I. Lundqvist