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An appropriate model Hamiltonian based formalism is proposed for a random adsorbate layer with arbitrary coverage and the ensuing two-dimensional band formation by metallic adsorbates in the monolayer regime. The coherent potential…

Chemical Physics · Physics 2007-05-23 A. K. Mishra

The adsorption of carbon monoxide on neutral iridium clusters in the size range of n = 3 to 21 atoms is investigated with infrared multiple photon dissociation spectroscopy. For each cluster size only a single v(CO) band is present with…

Chemical Physics · Physics 2011-10-05 Christian Kerpal , Daniel J. Harding , Gerard Meijer , André Fielicke

A principle of enhancement CO adsorption was developed theoretically by using density functional theory through doping Al into graphene. The results show that the Al doped graphene has strong chemisorption of CO molecule by forming Al-CO…

Materials Science · Physics 2009-11-13 Z. M. Ao , J. Yang , S. Li , Q. Jiang

In this work we have employed density-functional theory with hybrid functionals to investigate the atomic and electronic structure of bare and hydrogenated Co doped ZnO nanowires. We find that in the absence of passivation on the nanowire…

Materials Science · Physics 2018-08-09 A. L. Rosa , L. L. Tacca , Th. Frauenheim

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

The Kondo effect is a many-body phenomenon allowing insight into the electronic and atomistic structure of spin-polarized adsorbates on metal surfaces. Its chemical control is intriguing because it deepens such insight, but the underlying…

Strongly Correlated Electrons · Physics 2019-05-01 Marc Philipp Bahlke , Peter Wahl , Lars Diekhöner , Carmen Herrmann

We study the chemisorption of CO molecule into sites of different coordination on (111) surfaces of late 4d and 5d transition metals. In an attempt to solve the well-known CO adsorption puzzle we have applied the relatively new vdW-DF…

Materials Science · Physics 2008-10-14 P. Lazic , M. Alaei , N. Atodiresei , V. Caciuc , R. Brako , S. Blugel

Knowledge of the atomic geometry of a surface is a prerequisite for any detailed understanding of the surface's electronic structure and chemical properties. Previous studies have convincingly demonstrated that density functional theory…

Materials Science · Physics 2007-05-23 C. Stampfl , M. Scheffler

The effect of humidity on the cooperative adsorption of CO2 from air on amine appended metal organic frameworks is studied both experimentally and theoretically. Breakthrough experiments show that at low relative humidities there is an…

Soft Condensed Matter · Physics 2024-07-25 Bennett Marshall , Pavel Kortunov , Aaron Peters , Hilda Vroman

The vibrational frequency of carbon monoxide (CO) adsorbed on ceria-based catalysts serves as a sensitive probe for identifying exposed surface facets, provided that experimental reference data on well-defined single-crystal surfaces and…

The structure and electronic properties of single Cu atoms, copper monolayers and thin copper films on the polar oxygen and zinc terminated surfaces of ZnO are studied using periodic density-functional calculations. We find that the binding…

Materials Science · Physics 2009-11-10 B. Meyer , D. Marx

A nearly-free-electron (NFE) model to describe STM spectroscopy of (111) metal surfaces with Kondo impurities is presented. Surface states are found to play an important role giving a larger contribution to the conductance in the case of…

Strongly Correlated Electrons · Physics 2009-11-10 J. Merino , O. Gunnarsson

In this work, we investigate $CO_{2}$ activation on ZnS using Near Ambient-Pressure X-ray photoelectron spectroscopy measurements (NAP-XPS) and density functional theory calculations (DFT). Our NAP-XPS experiments reveal that $CO_{2}$…

Materials Science · Physics 2026-01-21 P. R. A de Oliveira , P. Venezuela , F. Stavale , J. A. Boscoboinik

In this work, we investigate the adsorption of a single cobalt atom (Co) on graphene by means of the complete active space self-consistent field approach, additionally corrected by the second-order perturbation theory. The local structure…

Materials Science · Physics 2012-08-15 A. N. Rudenko , F. J. Keil , M. I. Katsnelson , A. I. Lichtenstein

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

The adsorption of MgO molecules on a Fe(001) surface was studied using density functional theory (DFT) and projector augmented wave methods. The energetically most favored configurations for different adsorption sites considered were…

Materials Science · Physics 2015-12-10 D. Wiśnios , A. Kiejna , J. Korecki

The adsorption of rare gases on metal surfaces serve as the paradigm of weak adsorption where it is typically assumed that the adsorbate occupies maximally coordinated hollow sites. Density-functional theory calculations using the…

Materials Science · Physics 2009-11-07 Juarez L. F. Da Silva , Catherine Stampfl , Matthias Scheffler

Using density functional theory, we investigate the possible adsorption sites of CO molecules on the recently discovered Pt induced Ge nanowires on Ge(001). Calculated STM images are compared to experimental STM images to identify the…

Materials Science · Physics 2015-03-13 Danny E. P. Vanpoucke , Geert Brocks

Trapping a Rydberg atom close to a surface is an important step towards the realisation of many proposals of quantum information or hybrid quantum systems. One of the challenges in these experiments is to overcome the electric field…

In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and technology. As bulk gold crystallizes in the \textit{fcc} phase, surface effects can play an important role…

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