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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

Density functional theory has been used to study the adsorption of molecular H2 on a graphene layer. Different adsorption sites on top of atoms, bonds and the center of carbon hexagons have been considered and compared. We conclude that the…

Chemical Physics · Physics 2009-11-06 J. S. Arellano , L. M. Molina , A. Rubio , J. A. Alonso

Isolated and full monolayer adsorption of various carboranethiol (C$_2$B$_{10}$H$_{12}$S) isomers on gold (111) surface have been investigated using both the standard and van der Waals density functional theoretical calculations. The effect…

Materials Science · Physics 2020-05-20 Ersen Mete , Ayşen Yılmaz , M. Fatih Danışman

We present a density-functional theory study addressing the on-surface adsorption of oxygen at the Pd(11N) (N =3,5,7) vicinal surfaces, which exhibit (111) steps and (100) terraces of increasing width. We find the binding to be…

Materials Science · Physics 2007-05-23 Yongsheng Zhang , Jutta Rogal , Karsten Reuter

We report on first-principle based studies of the adsorption interaction of astatine species on a gold surface. These studies are aimed primarily at the support and interpretation of gas chromatographic experiments with Superheavy Elements,…

Chemical Physics · Physics 2017-12-06 Yuriy Demidov , Andrei Zaitsevskii

Density-functional-theory calculations for the adsorption of molecular nitrogen on ruthenium surface are reported. It is found that nitrogen molecule is adsorbed while standing perpendicular to the triangular surface of ruthenium. The…

We use density functional theory to investigate adsorption of liquid mixtures on solid surfaces modified with end-grafted chains. The chains are modelled as freely joined spheres. The fluid molecules are spherical. All spherical species…

Soft Condensed Matter · Physics 2016-03-08 M. Borówko , T. Staszewski

Results of recent density functional theory calculations for alkali metal adsorbates on close-packed metal surfaces are discussed. Single adatoms on the (111) surface of Al and Cu are studied with the self-consistent surface Green-function…

mtrl-th · Physics 2016-09-07 C. Stampfl , M. Scheffler

Our ab initio calculations of CO adsorption energies on low miller index (111), (100), stepped (211), and kinked (532) gold surfaces show a strong dependence on local coordination with a reduction in Au atom coordination leading to higher…

Materials Science · Physics 2009-11-13 F. Mehmood , A. Kara , T. S. Rahman , C. R. Henry

Using density-functional theory and a tight-binding approach we investigate the physical origin of distinct favourable geometries of adsorbed hydrogen atoms in various graphyne structures, and the relation with electronic properties. In…

Materials Science · Physics 2014-02-07 Hunpyo Lee , Jahyun Koo , Massimo Capone , Yongkyung Kwon , Hoonkyung Lee

The ability to partially oxidize methane at low temperatures and pressures would have important environmental and economic applications. Although methane oxidation on gold nanoparticles has been observed experimentally, our density…

Materials Science · Physics 2014-08-28 Duncan J. Mowbray , Annapaola Migani , Guido Walther , David M. Cardamone , Angel Rubio

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

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 for 0.5 and 1 ML coverages. We found that the saturation…

Strongly Correlated Electrons · Physics 2007-05-23 R. Shaltaf , E. Mete , S. Ellialtioglu

We study adsorption sites of a single Xe adatom on Nb(110) surface using a density functional theory approach: The on-top site is the most favorable position for the adsorption. We compare the binding features of the present study to…

Materials Science · Physics 2015-06-03 S. Dag , M. Shaughnessy , C. Y. Fong , X. D. Zhu , L. H. Yang

We provide novel random surface density functional theory (RSDFT) formulation in the case of geometric heterogeneous surface of solid media which is essential for description of thermodynamic properties of confined fluids. The major…

Statistical Mechanics · Physics 2017-11-22 Timur Aslyamov , Aleksey Khlyupin

We investigate the atomic hydrogen adsorption on Mg(0001) by using density-functional theory within the generalized gradient approximation and a supercell approach. The coverage dependence of the adsorption structures and energetics is…

Materials Science · Physics 2009-04-29 Yanfang Li , Ping Zhang , Bo Sun , Yu Yang , Yinghui Wei

Density functional theory is used to investigate the interactions between a layer of magnesium hydroxide, Mg(OH)2, the magnesium (Mg) surface Mg(0001), and the three amino acids glycine, proline and glutamine. The aim is to improve the…

We investigate the work function (WF) variation of different Au crystallographic surface orientations with carbon atom adsorption. Ab-initio calculations within density-functional theory are performed on carbon deposited (100), (110), and…

Chemical Physics · Physics 2019-04-18 H. Z. Jooya , X. Fan , K. S. McKay , D. P. Pappas , D. A. Hite , H. R. Sadeghpour

The adsorption of ethylene molecule on neutral, anionic and cationic gold clusters consisting of up to 10 atoms has been investigated using density-functional theory. It is demonstrated that C2H4 can be adsorbed on small gold clusters in…

Atomic and Molecular Clusters · Physics 2011-03-02 Andrey Lyalin , Tetsuya Taketsugu

In this work, we have studied theoretically the effects of gold adsorption on the Al(001) surface, using {\it ab initio} pseudo-potential method in the framework of the density functional theory. Having found the hollow sites at the Al(001)…

Materials Science · Physics 2009-11-13 N. Zare Dehnavi , M. Payami
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