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A novel method for measuring the surface coverage of randomly distributed cylindrical nanoparticles such as nanorods and nanowires, using atomic force microscopy (AFM), is presented. The method offers several advantages over existing…

Materials Science · Physics 2018-07-12 Francesca Bottacchi , Stefano Bottacchi , Thomas D. Anthopoulos

We have investigated Rb adsorption on the Si(100) surface for 0.5 and 1 monolayer coverages using the total energy method with norm-conserving pseudopotentials. For 2$\times$1 reconstruction at 1 ML coverage symmetrized dimers are found to…

Strongly Correlated Electrons · Physics 2007-05-23 E. Mete , R. Shaltaf , Ş. Ellialtıoğlu

Optical absorption spectra of C60^6- are theoretically investigated in order to analyze the optical properties of alkali metal doped fullerites A6C60. We use a tight binding model with long ranged Coulomb interactions and bond disorder.…

Condensed Matter · Physics 2009-10-22 Kikuo Harigaya

Using first-principles calculations we show that the work function of noble metals can be decreased or increased by up to 2 eV upon the adsorption of self-assembled monolayers of organic molecules. We identify the contributions to these…

Other Condensed Matter · Physics 2007-05-23 Paul C. Rusu , Geert Brocks

We present a comprehensive study of the adsorption behavior of iron phthalocyanine on the low-index crystal faces of silver. By combining measurements of the reciprocal space by means of photoelectron momentum mapping and low energy…

Materials Science · Physics 2015-06-17 V. Feyer , M. Graus , P. Nigge , M. Wiessner , R. G. Acres , C. Wiemann , C. M. Schneider , A. Schöll , F. Reinert

Nanoclusters like fullerenes as the unit to build intriguing two-dimensional topological structures is of great challenge. Here we propose three bridged fullerene monolayers and comprehensively investigate the novel fullerene monolayer as…

Materials Science · Physics 2022-07-21 Linfeng Yu , Jinyuan Xu , Bo Peng , Guangzhao Qin , Gang Su

A suspended carbon nanotube can act as a nanoscale resonator with remarkable electromechanical properties and the ability to detect adsorption on its surface at the level of single atoms. Understanding adsorption on nanotubes and other…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Zenghui Wang , Jiang Wei , Peter Morse , J. Gregory Dash , Oscar E. Vilches , David H. Cobden

We propose a model describing the interatomic interaction at the interface between fullerene $\mathrm{C}_{60}$ and aluminum. Using the density functional theory, we calculate the binding energy and the fullerene's position on the…

Materials Science · Physics 2024-03-12 V. V. Reshetniak , O. B. Reshetniak , A. V. Aborkin , A. V. Filippov

LEED experiments show that Li adsorbed at Cu(100) surfaces at room temperature induces a (2x1) missing row substrate reconstruction while adsorption at lower temperatures, T=180 K, results in an unreconstructed Cu(100)+c(2x2)--Li overlayer…

mtrl-th · Physics 2009-10-30 S. Quassowski , K. Hermann

Ab initio calculations within the density-functional theory formalism are performed to investigate the chemical functionalization of a graphene-like monolayer of silicon - silicene - with B, N, Al or P atoms. The structural, electronic,…

Materials Science · Physics 2014-09-05 Jozef Sivek , Hasan Şahin , Bart Partoens , François M. Peeters

Monolayer fullerene (C$_{60}$) networks combine molecular-level rigidity with crystalline connectivity, offering a promising platform for numerous applications. In this Feature article, we review the physical and chemical properties of…

Materials Science · Physics 2025-09-01 Bo Peng , Michele Pizzochero

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

The adsorption characteristics of alkali, alkaline earth and transition metal adatoms on silicene, a graphene-like monolayer structure of silicon, are analyzed by means of first-principles calculations. In contrast to graphene, interaction…

Materials Science · Physics 2013-02-22 Hasan Sahin , Francois M. Peeters

The adsorption geometry of perfluorinated copper-phthalocyanine molecules (F_{16}CuPc) on Cu(111) and Ag(111) is studied using X-ray standing waves. A detailed, element-specific analysis taking into account non-dipolar corrections to the…

Soft Condensed Matter · Physics 2009-11-11 A. Gerlach , F. Schreiber , S. Sellner , H. Dosch , I. A. Vartanyants , B. C. C. Cowie , T. -L. Lee , J. Zegenhagen

The adsorption of $^4$He inside and outside a single fullerene C$_{60}$ is studied. A physisorption potential is proposed. The energetics and structural features of C$_{60}$-$^4$He$_N$ clusters are investigated. Particular attention is paid…

Soft Condensed Matter · Physics 2016-08-16 Leszek Szybisz , Ignacio Urrutia

First-principles calculations using density functional theory and two methods in comparison, Quantum ESPRESSO and Siesta, are done on large supercells which describe different placements of two identical adsorbed alkali metal atoms (of…

Materials Science · Physics 2021-09-01 Kazem Zhour , Andrei Postnikov

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

Alumina (Al$_{2}$O$_{3}$) is a key material for thin-film growth and heterogeneous catalysis, where the atomic surface structure critically impacts performance. Using noncontact atomic force microscopy (nc-AFM) combined with density…

The adsorption of atomic oxygen and its inclusion into subsurface sites on Ag(210) and Ag(410) surfaces have been investigated using density functional theory. We find that--in the absence of adatoms on the first metal layer--subsurface…

Condensed Matter · Physics 2009-11-10 A. Kokalj , N. Bonini , A. Dal Corso , S. de Gironcoli , S. Baroni

We present tight binding molecular dynamics simulations of C_60 collisions on the reconstructed diamond(111) surface, carried out with an O(N) method and with cells containing 1140 atoms. The results of our simulations are in very good…

Condensed Matter · Physics 2016-08-31 Giulia Galli , Francesco Mauri