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Related papers: A Density Functional Study of Atomic Hydrogen Adso…

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Diverse magnetic and electronic properties of halogen-adsorbed silicene are investigated by the first-principles theoretical framework, including the adatom-diversified geometric structures, the atom-dominated energy bands, the spatial spin…

Materials Science · Physics 2019-03-27 Duy Khanh Nguyen , Ngoc Thanh Thuy Tran , Yu-Huang Chiu , Ming-Fa Lin

Extensive density-functional calculations on atomic chemisorption of H, B, C, N, O, F, Al, Si, P, S, and Cl on the polar TiC(111) and TiN(111) yield similar adsorption trends for the two surfaces: (i) pyramid-like adsorption-energy trends…

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

This paper investigates some of the successes and failures of density functional theory in the study of high-pressure solid hydrogen at low temperature. We calculate the phase diagram, metallization pressure, phonon spectrum, and proton…

Materials Science · Physics 2015-06-16 S. Azadi , W. M. C. Foulkes

We report the first six-dimensional quantum dynamical calculations of dissociative adsorption and associative desorption. Using a potential energy surface obtained by density functional theory calculations, we show that the initial decrease…

mtrl-th · Physics 2009-10-28 Axel Gross , Steffen Wilke , Matthias Scheffler

We have studied the vibrational properties of CO adsorbed on platinum and platinum-ruthenium surfaces using density-functional perturbation theory within the Perdew-Burke-Ernzerhof generalized-gradient approximation. The calculated C-O…

Materials Science · Physics 2009-09-29 Ismaila Dabo , Andrzej Wieckowski , Nicola Marzari

Electronic correlations and spin-orbit interactions in plutonium create variations in the bonding behavior of each of its allotropes. In $\delta$-Pu, the 5f electrons lie at the tipping point between itinerant and localized behavior which…

Materials Science · Physics 2024-05-16 Alexander R. Muñoz , Travis E. Jones

The DFT/vdW-WF method, recently developed to include the Van der Waals interactions in Density Functional Theory (DFT) using the Maximally Localized Wannier functions, is applied to the study of the adsorption of rare-gas atoms (Ne, Ar, Kr,…

Strongly Correlated Electrons · Physics 2015-06-03 Pier Luigi Silvestrelli , Alberto Ambrosetti , Sonja Grubisiĉ , Francesco Ancilotto

The electronic and geometrical properties of bulk americium and square and hexagonal americium monolayers have been studied with the full-potential linearized augmented plane wave (FP-LAPW) method. The effects of several common…

Strongly Correlated Electrons · Physics 2009-11-11 Da Gao , Asok K. Ray

Control of dopants in silicon remains the most important approach to tailoring the properties of electronic materials for integrated circuits, with Group V impurities the most important n-type dopants. At the same time, silicon is finding…

The adsorption of 1,4-benzenediamine (BDA) on the Au(111) surface and azobenzene on the Ag(111) surface is investigated using density functional theory (DFT) with a non-local density functional (vdW-DF) and a semi-local…

Materials Science · Physics 2014-01-07 Guo Li , Isaac Tamblyn , Valentino R. Cooper , Hong-Jun Gao , Jeffrey B. Neaton

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

The dissociative adsorption of hydrogen on Pd(100) has been studied by ab initio quantum dynamics and ab initio molecular dynamics calculations. Treating all hydrogen degrees of freedom as dynamical coordinates implies a high dimensionality…

Materials Science · Physics 2009-10-30 Axel Gross , Matthias Scheffler

The dissociative adsorption of methane on variously oxidized Pd, Pt and Pd-Pt surfaces is investigated using density-functional theory, as a step towards understanding the combustion of methane on these materials. For Pd-Pt alloys, models…

The adsorption of the chiral molecule lactate on the intrinsically chiral noble metal surfaces Pt(321), Au(321) and Ag(321) is studied by Density Functional Theory calculations. We use the oPBE-vdW functional which includes van der Waals…

Materials Science · Physics 2015-06-17 J. -H. Franke , D. S. Kosov

We use a unique combination of electrochemical techniques to elucidate the dependency of hydrogen evolution reaction (HER) and absorption on pH and overpotential for iron and nickel. Impedance spectroscopy shows the dominance of the…

Chemical Physics · Physics 2024-03-07 L. Cupertino-Malheiros , M. Duportal , T. Hageman , E. Martínez-Pañeda

It is shown that adsorption energy at semiconductor surfaces critically depends on the charge transfer to or from the adsorbed species. For the processes without the charge transfer, such as molecular adsorption of closed shell systems, the…

Materials Science · Physics 2013-08-23 Paweł Kempisty , Paweł Strak , Konrad Sakowski , Stanisław Krukowski

A study of the adsorption of CO on late 4d and $5d$ transition metal (111) surfaces (Ru, Rh, Pd, Ag, Os, Ir, and Pt) considering atop and hollow site adsorption is presented. The applied functionals include the gradient corrected PBE and…

Materials Science · Physics 2011-12-30 A. Stroppa , G. Kresse

We characterized CO2 adsorption and diffusion on the missing row reconstructed Cu(100)-O surface using a combination of scanning tunneling microscopy (STM) and density functional theory (DFT) calculations with dispersion. We deposited CO2…

Mesoscale and Nanoscale Physics · Physics 2020-07-14 Steven J. Tjung , Qiang Zhang , Jacob J. Repicky , Simuck F. Yuk , Xiaowa Nie , Nancy M. Santagata , Aravind Asthagiri , Jay A. Gupta

The effects of hydrogen (H2) and deuterium (D2) absorption were studied in two Co/Pd multilayers with perpendicular magnetic anisotropy (PMA) using polarized neutron reflectivity (PNR). PNR was measured in an external magnetic field H…

Materials Science · Physics 2015-05-27 K. Munbodh , F. A. Perez , C. Keenan , M. Zhernenkov , M. R. Fitzsimmon , D. Lederman

Vapor growth of semiconductors is analyzed using recently obtained dependence of the adsorption energy on the electron charge transfer between the surface adsorbed species and the bulk [Krukowski et al. J. Appl. Phys. 114 (2013) 063507,…

Materials Science · Physics 2016-11-09 Pawel Kempisty , Pawel Strak , Konrad Sakowski , Stanislaw Krukowski