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Related papers: n-Alkyl Thiol Head Group Interactions with the Au(…

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We study the adsorption of a fluid in the grand canonical ensemble occurring at a planar heterogeneous wall which is decorated with a chemical stripe of width $L$. We suppose that the material of the stripe strongly preferentially adsorbs…

Statistical Mechanics · Physics 2017-08-30 Alexandr Malijevský , Andrew O. Parry , Martin Pospíšil

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…

Theoretical and experimental investigation of the electronic and magnetic structure of transition metal atoms on an insulating interface with a metallic substrate at low temperatures is quite challenging. In this paper, we show a density…

In$_2$O$_3$-based catalysts have shown high activity and selectivity for CO$_2$ hydrogenation to methanol, however the origin of the high performance of In$_2$O$_3$ is still unclear. To elucidate the initial steps of CO$_2$ hydrogenation…

Using first-principles calculations, we systematically study the adsorption behaviors of molecular CO on the Be (0001) surface. By calculating the potential energy surfaces, we find that CO molecularly adsorbs on the Be surface with small…

Materials Science · Physics 2015-05-13 Shuang-Xi Wang , Yu Yang , Bo Sun , Rong-Wu Li , Shao-Jun Liu , Ping Zhang

Oxygen adsorption on delta-Pu (100) and (111) surfaces have been studied at both non-spin-polarized and spin-polarized levels using the generalized gradient approximation of density functional theory (GGA-DFT)with Perdew and Wang…

Strongly Correlated Electrons · Physics 2009-11-10 M. N. Huda , A. K. Ray

Density-functional calculations on the polar TiX(111) (X = C, N) surfaces show (i) for clean surfaces, strong Ti3d-derived surface resonances (SR's) at the Fermi level and X2p-derived SR's deep in the upper valence band and (ii) for adatoms…

Materials Science · Physics 2009-11-11 Carlo Ruberto , Aleksandra Vojvodic , Bengt I. Lundqvist

Molecular adsorption at the surface of a 2D material poses numerous questions regarding the modification to the band structure and interfacial states, which of course deserve full attention. In line with this, first-principle density…

Materials Science · Physics 2020-03-27 Tanmay Das , Sesha Vempati

Possibility for the formation of stable Al atomic wire on the Si(211) surface is investigated using density functional theory based total energy calculations. The stable adsorption sites and the surface structures at various sub-monolayer…

Materials Science · Physics 2007-05-23 Bikash C Gupta , Inder P Batra

Pinning single molecules at desired positions can provide opportunities to fabricate bottom-up designed molecular machines. Using the combined approach of scanning tunneling microscopy and density functional theory, we report on tip-induced…

Mesoscale and Nanoscale Physics · Physics 2015-11-17 Yong Chan Jeong , Sang Yong Song , Youngjae Kim , Youngtek Oh , Joongoo Kang , Jungpil Seo

The interaction of thioglycolic acid with the Au(111) surface is investigaged, and it is found that at the low coverage the molecule lies down on the substrate. If the mercaptan-hydrogen atom is eliminated, the resulting SCH_2COOH molecule…

Materials Science · Physics 2015-05-18 Jian-Ge Zhou , Quinton L. Williams , Ruqian Wu

We report on a theoretical study of adsorption of 4-Acetylbiphenyl molecule and its diffusion properties in the main directions of the Au(111) surface. Structural changes of the molecule, which are induced by adsorption lead to stronger…

Materials Science · Physics 2020-04-30 V. Zobac , R. Robles , N. Lorente

The electronic structure of ZnPc, from sub-monolayers to thick films, on bare and iodated Pt(111) is studied by means of X-ray photoelectron spectroscopy (XPS), X-ray absorption spectroscopy (XAS) and scanning tunneling microscopy (STM).…

Materials Science · Physics 2014-05-01 S. Ahmadi , B. Agnarsson , I. Bidermane , B. M. Wojek , Q. Noël , C. H. Sun , M. Göthelid

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

Mean-field theory and scaling arguments are presented to model polyelectrolyte adsorption from semi-dilute solutions onto charged surfaces. Using numerical solutions of the mean-field equations, we show that adsorption exists only for…

Soft Condensed Matter · Physics 2009-11-10 A. Shafir , D. Andelman , R. R. Netz

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

First-principles calculations using density functional theory based on norm-conserving pseudopotentials have been performed to investigate the Cs adsorption on the Si(001) surface for 0.5 and 1 ML coverages. We found that the saturation…

Strongly Correlated Electrons · Physics 2007-05-23 R. Shaltaf , E. Mete , S. Ellialtioglu

Chemisorption of CO on the stepped Cu(211) surface is studied within ab-initio density functional theory (DFT) and scanning tunneling microscopy (STM) imaging as well as manipulation experiments. Theoretically we focus on the experimentally…

Materials Science · Physics 2009-11-10 Marek Gajdos , Andreas Eichler , Jurgen Hafner , Gerhard Meyer , Karl-Heinz Rieder

We have used density functional theory calculations based on the projector augmented wave method to investigate the electronic structure of Au-incorporated anatase TiO$_2$(001) surface. Due to the coordination with several level oxygens, Au…

Strongly Correlated Electrons · Physics 2009-07-18 E. Mete , O. Gulseren , S. Ellialtioglu

The oxidized Ag(111) surface has been studied by a combination of experimental and theoretical methods, scanning tunneling microscopy (STM), x-ray photoelectron spectroscopy (XPS), and density functional theory (DFT). A large variety of…