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Related papers: The Adsorption of Atomic Nitrogen on Ru(0001): Geo…

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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…

Accurate atomic coordinates of the room-temperature (root3xroot3)R30degree and low-temperature (3x3) phases of 1/3 ML Sn on Ge(111) have been established by grazing-incidence x-ray diffraction with synchrotron radiation. The Sn atoms are…

Materials Science · Physics 2009-10-31 O. Bunk , J. H. Zeysing , G. Falkenberg , R. L. Johnson , M. Nielsen , M. M. Nielsen , R. Feidenhans'l

The theoretical modelling of metal-organic interfaces represents a formidable challenge, especially in consideration of the delicate balance of various interaction mechanisms and the large size of involved molecular species. In the present…

Materials Science · Physics 2024-01-30 P. Jakob , N. L. Zaitsev , A. Namgalies , R. Tonner , I. A. Nechaev , F. S. Tautz , U. Höfer , D. Sanchez-Portal

NO molecules adsorbed on a Pt(111) surface from dipping in an acidic nitrite solution are studied by near edge X-ray absorption fine structure spectroscopy (NEXAFS), X-ray photoelectron spectroscopy (XPS), low energy electron diffraction…

To investigate chemical reactivity of Cu atomic-scale structures, we performed simulations based on the generalized gradient approximation in the density functional theory. An atomic layer of Cu forming a triangular lattice (TL) was found…

Materials Science · Physics 2011-05-16 S Nogami , H Kizaki , K Kusakabe

We investigate the adsorption of a Ni monolayer on the $\beta$-SiC(001) surface by means of highly precise first-principles all-electron FLAPW calculations. Total energy calculations for the Si- and C-terminated surfaces reveal high Ni-SiC…

Materials Science · Physics 2009-11-07 G. Profeta , A. Continenza , A. J. Freeman

Dynamics of adsorption and desorption of (4S)-N on amorphous solid water are analyzed using molecular dynamics simulations. The underlying potential energy surface was provided by machine-learned interatomic potentials. Binding energies…

Astrophysics of Galaxies · Physics 2020-09-22 Germán Molpeceres , Viktor Zaverkin , Johannes Kästner

Using the plane wave pseudopotential method within the density functional theory with the generalized gradient approximation for exchange and correlation potential, we have calculated adsorption energies (Ead), diffusion barriers and the…

Materials Science · Physics 2007-05-23 Sergey Stolbov , Talat S. Rahman

At a coverage of about 1/3 monolayer, Sn deposited on Ge(111) below 550 forms a metastable (sqrt3 x sqrt3)R30 phase. This phase continuously and reversibly transforms into a (3x3) one, upon cooling below 200 K. The photoemission spectra of…

Strongly Correlated Electrons · Physics 2009-10-31 L. Petaccia , L. Floreano , M. Benes , D. Cvetko , A. Goldoni , L. Grill , A. Morgante , A. Verdini , S. Modesti

The structural, vibrational, energetic and electronic properties of hydrogen at the stoichiometric RuO2(110) termination are studied using density functional theory. The oxide surface is found to stabilize both molecular and dissociated H2.…

Materials Science · Physics 2007-05-23 Qiang Sun , Karsten Reuter , Matthias Scheffler

Ni/Cu(001) is known as a unique system showing the spin-reorientation transition from an in-plane to out-of-plane magnetization direction when the Ni-overlayer thickness is increased. We investigate different relaxed multilayer structures…

Materials Science · Physics 2009-11-10 František Máca , Alexander B. Shick , Josef Redinger , Raimund Podloucky , Peter Weinberger

Adsorption of ammonia at NH3/NH2/H covered GaN(0001) surface was analyzed using results of ab initio calculations. The whole configuration space of partially NH3/NH2/H covered GaN(0001) surface was divided into zones differently pinned…

Materials Science · Physics 2016-11-09 Pawel Kempisty , Stanislaw Krukowski

Using first-principles density functional theory calculations in combination with the climbing-image nudged elastic band method, we investigated the adsorption, desorption, and diffusion of atomic chlorine and molecular chlorine on the Al…

Materials Science · Physics 2025-09-10 Sanjay Nayak , Nikolai Andrianov , Thomas Gruhn , Joaquin Miranda

While a perfect hcp (0001) surface has three-fold symmetry, the diffraction patterns commonly obtained are six-fold symmetric. This apparent change in symmetry occurs because on a stepped surface, the atomic layers on adjacent terraces are…

Materials Science · Physics 2007-05-23 J. de la Figuera , J. M. Puerta , J. I. Cerda , F. El Gabaly , K. F. McCarty

The mechanism of adsorption of the 1,4,5,8-naphthalene-tetracarboxylic-dianhydride (NTCDA) molecule on the Ag(110) surface is elucidated on the basis of extensive density functional theory calculations. This molecule, together with its…

Materials Science · Physics 2007-05-23 Audrius Alkauskas , Alexis Baratoff , C. Bruder

Theoretical calculations based on density functional theory have made significant contributions to our understanding of metal oxides, their surfaces, and the binding of molecules at these surfaces. In this paper we investigate the binding…

Materials Science · Physics 2007-05-23 Oyvind Borck , Elsebeth Schroder

Hydrogen segregation to vacancies in the surface and subsurface layers of (111) and (100) surfaces of Pd is studied in the density functional theory (DFT) approach. Adsorption energies and configurations of various clusters of H atoms at…

Materials Science · Physics 2020-06-24 A. V. Subashiev , H. H. Nee

Atomic oxygen adsorption on the Mo(112) surface has been investigated by means of first-principles total energy calculations. Among the variety of possible adsorption sites it was found that the bridge sites between two Mo atoms of the…

Materials Science · Physics 2007-05-23 Adam Kiejna , R. M. Nieminen

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

The adsorption and dissociation of nitrogen molecule on Fe(111) surface is studied by density functional theory calculations. The simulation results show that the molecule needs to acquire parallel orientation with respect to the surface…

Materials Science · Physics 2014-12-30 Myong-Song Ryang , Nam-Hyok Kim , Song-Jin Im
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