English
Related papers

Related papers: Origin of C$_{60}$ surface reconstruction resolved…

200 papers

We employ room-temperature ultrahigh vacuum scanning tunneling microscopy (UHV STM) and {\em ab-initio} calculations to study graphene flakes that were adsorbed onto the Si(111)$-$7$\times$7 surface. The characteristic 7$\times$7…

We investigate the adsorption of a single tetracyanoethylene (TCNE) molecule on the silver (001) surface. Adsorption structures, electronic properties, and scanning tunneling microscopy (STM) images are calculated within density-functional…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Thorsten Deilmann , Peter Krüger , Michael Rohlfing , Daniel Wegner

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

The adsorption of CO molecules at the Ca3Ru2O7(001) surface was studied using low-temperature scanning tunneling microscopy (STM) and density functional theory (DFT). Ca3Ru2O7 can be easily cleaved along the (001) plane, yielding a smooth,…

First-principle density-functional calculations have been applied to study the interaction of molecular chlorine with the (111) plane of copper. Using transition-state search method, we considered the elementary processes (Cl$_2$…

Chemical Physics · Physics 2019-03-28 Tatiana V. Pavlova , Boris V. Andryushechkin , Georgy M. Zhidomirov

We have characterised the submonolayer assembly of C60F48 molecular surface acceptors on the hydrogen terminated (100) diamond surface using scanning tunneling microscopy and X-ray photoelectron spectroscopy, and explored the influence this…

Materials Science · Physics 2024-07-30 Alex K. Schenk , Kevin J. Rietwyk , Mark T. Edmonds , Anton Tadich , Chris I. Pakes

The study of the adsorption phenomenon of helium began many decades ago with the discovery of graphite as a homogeneous substrate for investigation of physically adsorbed monolayer films. In particular, helium monoatomic layers on graphite…

Materials Science · Physics 2016-02-17 R. Burganova , Y. Lysogorskiy , O. Nedopekin , D. Tayurskii

Inspired by experimental observations of Pt(111) surfaces reconstruction at the Pt/graphene (Gr) interfaces with ordered vacancy networks in the outermost Pt layer, the mechanism of the surface reconstruction is investigated by…

Chemical Physics · Physics 2015-07-14 Qian Wang , Rui Pang , Xingqiang Shi

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

Water adsorption on silicate surfaces is a critical yet poorly understood process relevant to, e.g., mineral weathering and cement hydration. This study investigates the structure of water overlayers on a model calcium silicate, the…

Based on ab initi and density-functional theory calculations, an empirical potential is proposed to model the interaction between a fullerene molecule and many sodium atoms. This model predicts homogeneous coverage of C_60 below 8 Na atoms,…

Atomic and Molecular Clusters · Physics 2009-11-07 J. Roques , F. Calvo , F. Spiegelman , C. Mijoule

In this Letter, we present the first non-contact atomic force microscopy (nc-AFM) of a silicene on silver (Ag) surface, obtained by combining non-contact atomic force microscopy (nc-AFM) and scanning tunneling microscopy (STM). STM images…

The reconstruction mechanism of (001) fcc transition metal surfaces is investigated using a full-potential all-electron electronic structure method within density-functional theory. Total-energy supercell calculations confirm the…

Condensed Matter · Physics 2009-10-22 Vincenzo Fiorentini , Michael Methfessel , Matthias Scheffler

We present an ab initio investigation of the interaction between methane, its dehydrogenated forms and the cerium oxide surface. In particular, the stoichiometric CeO2(111) surface and the one with oxygen vacancies are considered. We study…

Materials Science · Physics 2019-11-21 Marco Fronzi , Simone Piccinin , Bernard Delley , Enrico Traversa , Catherine Stampfl

High-resolution spectroscopy allows one to probe weak interactions and to detect subtle phenomena. While such measurements are routinely performed on atoms and molecules in the gas phase, spectroscopy of adsorbed species on surfaces is…

Growth, electronic and magnetic properties of $\gamma'$-Fe$_{4}$N atomic layers on Cu(001) are studied by scanning tunneling microscopy/spectroscopy and x-ray absorption spectroscopy/magnetic circular dichroism. A continuous film of ordered…

Materials Science · Physics 2017-06-21 Y. Takahashi , T. Miyamachi , S. Nakashima , N. Kawamura , Y. Takagi , M. Uozumi , V. Antonov , T. Yokoyama , A. Ernst , F. Komori

Random sequential adsorption algorithm is a popular tool for modelling structure of monolayers built in irreversible adsorption experiments. However, this algorithm becomes very inefficient when the density of molecules in a layer rises.…

Computational Physics · Physics 2019-11-25 Michał Cieśla

All carbon materials, e.g., amorphous carbon (a-C) coatings and C60 fullerene thin films, play an important role in short-wavelength free-electron laser (FEL) research motivated by FEL optics development and prospective nanotechnology…

We studied theoretically the optical properties of C$_{60}$ fullerene microcrystals as a function of hydrostatic pressure with first-principles many-body theories. Calculations of the electronic properties were done in the GW approximation.…

Other Condensed Matter · Physics 2015-05-13 Murilo L. Tiago , Fernando A. Reboredo

Sodium, magnesium and aluminum adatoms, which, respectively, possess one, two and three valence electrons in terms of 3s, $3s^2$, and ($3s^2$, 3p) orbitals, are very suitable for helping us understand the adsorption-induced diverse…

Materials Science · Physics 2020-03-06 Ngoc Thanh Thuy Tran , Godfrey Gumbs , Duy Khanh Nguyen , Ming-Fa Lin