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Adsorption of Fe on the rutile (110)-surface is investigated by means of {\it ab initio} density functional theory calculations. We discuss the deposition of single Fe atoms, an increasing Fe coverage, as well as the adsorption of small Fe…

Materials Science · Physics 2013-10-30 Anna Gruenebohm , Heike C. Herper , Peter Entel

Oxygen vacancies at the SnO2(110) and (101) surface and subsurface sites have been studied in the framework of density functional theory by using both all-electron Gaussian and pseudopotential plane-wave methods. The all-electron…

Materials Science · Physics 2008-06-06 F. Trani , M. Causa' , D. Ninno , G. Cantele , V. Barone

In this work, we use the first-principle density-functional approach to study the electronic structure of a H atom adsorbed on the ideal Pt(111) and vicinal Pt(211) and Pt(331) surfaces. Full three-dimensional potential-energy surfaces (3D…

Materials Science · Physics 2009-08-04 T. Vehviläinen , P. Salo , T. Ala-Nissila , S. C. Ying

In this work we investigate the electronic properties of mercaptocarboxylic acids with several carbon chain lengths adsorbed on ZnO-(10-10) surfaces via density functional theory calculations using semi-local and hybrid exchange-correlation…

Materials Science · Physics 2018-10-05 Dennis Franke , Michael Lorke , Thomas Frauenheim , Andrea L. daRosa

A new combination of first principle molecular dynamics (MD) simulations with a rate equation model presented in the preceding paper (paper I) is applied to analyze in detail the scattering of argon atoms from a platinum (111) surface. The…

Plasma Physics · Physics 2018-09-10 A Filinov , M Bonitz , D Loffhagen

The thermodynamic properties of gases have been understood primarily through phase diagrams of bulk gases. However, observations of gases confined in a nanometer space have posed a challenge to the principles of classical thermodynamics.…

Soft Condensed Matter · Physics 2014-10-31 Ing-Shouh Hwang , Yi-Hsien Lu , Chih-Wen Yang , Chung-Kai Fang , Hsien-Chen Ko

The adsorption kinetics of the cationic surfactant dodecyltrimethylammonium bromide at the air-water interface has been studied by the maximum bubble pressure method at concentrations below the critical micellar concentration. At short…

Soft Condensed Matter · Physics 2011-03-25 Hernan Ritacco , Dominique Langevin , Haim Diamant , David Andelman

We present a first-principles study of the atomic hydrogen adsorption onto the Be(10\={1}0) thin film. There are two types of Be(10\={1}0) surfaces according to the interlayer spacing between the surface and its nearest-neighbor layer. We…

Materials Science · Physics 2007-05-23 Ping Zhang , Hong-Zhou Song

X-ray photoelectron spectroscopy and diffraction (XPS, XPD) and scanning tunneling microscopy (STM) have been used for study of NbOx-structures on the Nb(110) surface. It is shown that niobium atoms are ordered to form a two-dimensional…

Materials Science · Physics 2008-11-11 A. S. Razinkin , E. V. Shalaeva , M. V. Kuznetsov

Adsorption of hydrogen atoms on a single graphite sheet (graphene) has been investigated by first-principles electronic structure means, employing plane-wave based, periodic density functional theory. A reasonably large 5x5 surface unit…

Materials Science · Physics 2009-11-13 Simone Casolo , Ole Martin Lovvik , Rocco Martinazzo , Gian Franco Tantardini

Using first-principles calculations, we systematically study the dissociation of O$_2$ molecules on different ultrathin Pb(111) films. Based on our previous work revealing the molecular adsorption precursor states for O$_2$, we further…

Materials Science · Physics 2010-01-27 Ziyu Hu , Yu Yang , Bo Sun , Xiaohong Shao , Wenchuan Wang , Xucun Ma , Qikun Xue , Ping Zhang

Particle-based simulations are performed to study the post-relaxation dynamics of functionalized (patchy) colloids adsorbed on an attractive substrate. Kinetically arrested structures that depend on the number of adsorbed particles and the…

Soft Condensed Matter · Physics 2015-09-02 C. S. Dias , C. Braga , N. A. M. Araujo , M. M. Telo da Gama

The energy to desorb atomic oxygen from an interstellar dust grain surface, $E_{\rm des}$, is an important controlling parameter in gas-grain models; its value impacts the temperature range over which oxygen resides on a dust grain.…

Astrophysics of Galaxies · Physics 2015-06-23 Jiao He , Jianming Shi , Tyler Hopkins , Gianfranco Vidali , Michael J. Kaufman

Extensive first principles calculations are carried out to investigate gold-promoted TiO2(110) surfaces in terms of structure optimizations, electronic structure analyses, ab initio thermodynamics calculations of surface phase diagrams, and…

Materials Science · Physics 2015-05-28 Matteo Farnesi Camellone , Piotr M. Kowalski , Dominik Marx

The Niobium surface is almost always covered by a native oxide layer which greatly influences the performance of superconducting devices. Here we investigate the highly stable Niobium oxide overlayer of Nb(110), which is characterised by…

The adsorption of C60 on Si(111) has been studied by means of first-principles density functional calculations. A 2x2 adatom surface reconstruction was used to simulate the terraces of the 7x7 reconstruction. The structure of several…

The uranium mononitride (UN) is a material considered as a promising candidate for Generation-IV nuclear reactor fuels. Unfortunately, oxygen in air affects UN fuel performance and stability. Therefore, it is necessary to understand the…

Materials Science · Physics 2012-11-27 Eugene A. Kotomin , Yuri F. Zhukovkii , Dmitry Bocharov , Denis Gryaznov

The structural, electronic, and adhesive properties of Cu/SiO$_2$ interfaces are investigated using first-principles density-functional theory within the local density approximation. Interfaces between fcc Cu and $\alpha$-cristobalite(001)…

Materials Science · Physics 2016-08-31 Kazutaka Nagao , J. B. Neaton , N. W. Ashcroft

The measured low initial sticking probability of oxygen molecules at the Al(111) surface that had puzzled the field for many years was recently explained in a non-adiabatic picture invoking spin-selection rules [J. Behler et al., Phys. Rev.…

Materials Science · Physics 2009-11-13 Jorg Behler , Karten Reuter , Matthias Scheffler

Puzzling trends in surface stress were reported experimentally for Ni/W(110) as a function of Ni coverage. In order to explain this behavior, we have performed a density-functional-theory study of the surface stress and atomic structure of…

Materials Science · Physics 2015-06-04 Natasa Stojic , Nadia Binggeli