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Related papers: Two-Dimensional Quantum Dynamics of O$_2$ Dissocia…

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The adsorption and dissociation of O$_{2}$ molecules at the Be(0001) surface is studied by using density-functional theory within the generalized gradient approximation and a supercell approach. The physi- and chemisorbed molecular…

Materials Science · Physics 2013-05-29 Ping Zhang , Bo Sun , Yu Yang

The effect of surface atom vibrations for H$_2$ scattering from a Cu(111) surface at different temperatures is being investigated for hydrogen molecules in their rovibrational ground state ($v$=0, $j$=0). We assume weakly correlated…

Other Condensed Matter · Physics 2021-05-04 Joy Dutta , Souvik Mandal , Satrajit Adhikari , Paul Spiering , Jörg Meyer , Mark F. Somers

Scanning tunneling microscopy (STM) at 5 K was used to study individual Au atoms adsorbed on the surface of a WSe2 layer grown on epitaxial graphene. In line with theoretical predictions, scanning tunneling spectroscopy measurements reveal…

Mesoscale and Nanoscale Physics · Physics 2025-08-18 Hitesh Kumar , Yu-Chuan Lin , Joshua A. Robinson , Stefan Fölsch

The activation and dissociation of H2 molecules on Cu(001) surface is studied theoretically. The activation barrier for the dissociation of H2 on Cu(001) is determined by first-principles calculations to be ~ 0.59 eV in height. Electron…

Mesoscale and Nanoscale Physics · Physics 2023-06-06 Xiaofan Yu , Yangwu Tong , Yong Yang

The adsorption properties of isolated H$_{2}$O molecule on stoichiometric and reduced (with on-surface oxygen vacancy) ceria(1111) surfaces at low coverage are theoretically investigated by using density-functional-theory+\emph{U}…

Materials Science · Physics 2012-02-10 Shuang-Xi Wang , Ping Zhang , Shu-Shen Li

We performed high-dimensional quantum dynamical calculations of the dissociative adsorption and associative desorption of hydrogen on Cu(111). The potential energy surface (PES) is obtained from density functional theory calculations. Two…

mtrl-th · Physics 2009-10-28 A. Gross , B. Hammer , M. Scheffler , W. Brenig

The change of the vibrational energy within a molecule after collisions with another molecule plays an essential role in the evolution of molecular internal energy distributions, which is also the limiting process in the relaxation of the…

Chemical Physics · Physics 2024-09-16 Xiaorui Zhao , Xuefei Xu , Haitao Xu

The urgent need to mitigate rising atmospheric CO2 levels motivates the search for stable, efficient, and tunable adsorbent materials. In this study, we employ first-principles density functional theory to investigate the adsorption of CO2…

Materials Science · Physics 2026-02-16 Jakkapat Seeyangnok , Rungkiat Nganglumpoon , Joongjai Panpranot , Udomsilp Pinsook

The specific role played by small gold nanoparticles supported on the rutile TiO2(110) surface in the processes of adsorption and dissociation of H2 is discussed. It is demonstrated that the molecular and dissociative adsorption of H2 on…

Atomic and Molecular Clusters · Physics 2011-08-18 Andrey Lyalin , Tetsuya Taketsugu

Using ab initio molecular dynamics (AIMD) simulations, based on density functional theory that also accounts for van der Waals interactions, we study the oxidation of gas phase CO on MoSe$_2$ with a Se vacancy and oxygen coverage of…

Chemical Physics · Physics 2024-11-25 Raúl Bombín , Ricardo Díez Muiño , J. Iñaki Juaristi , Maite Alducin

We reported an imaging study of the dissociation dynamics of temporary negative ion N2O- formed in the low-energy electron attachment, e- + N2O -> N2O- -> N2 + O-. With the help of ab initio molecular dynamics calculations, the evolution of…

Chemical Physics · Physics 2015-06-11 Lei Xia , Bin Wu , Hong-Kai Li , Xian-Jin Zeng , Shan Xi Tian

Density Functional Theory calculations are used to investigate the role of substrate-induced cooperative effects on the adsorption of water on a partially oxidized transition metal surface, O(2x2)/Ru(0001). Focussing particularly on the…

Materials Science · Physics 2015-05-19 Pepa Cabrera-Sanfelix , M. V. Fernández-Serra , A. Arnau , D. Sánchez-Portal

The STM induced rotation and dissociation dynamics of a single oxygen molecule on the Pt(111) surface have been finally determined by first principles calculations together with a newly developed statistical model for inelastic electron…

Other Condensed Matter · Physics 2010-10-28 Qiang Fu , Jinlong Yang , Yi Luo

The adsorption and dissociation of nitrogen molecule on Fe(111) surface is studied by density functional theory calculations. The simulation results show that the molecule needs to acquire parallel orientation with respect to the surface…

Materials Science · Physics 2014-12-30 Myong-Song Ryang , Nam-Hyok Kim , Song-Jin Im

Adsorption of $O_{2}$ molecule on Al surface has been a long standing puzzle for the first principles calculation. We have studied the adsorption of $O_{2}$ molecule on the Al(111) surface using hybrid functionals. In contrast to the…

Materials Science · Physics 2012-10-30 Heng-Rui Liu , Hongjun Xiang , X. G. Gong

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 adsorption of oxygen on the Ag(001) is investigated by means of density functional techniques. Starting from a characterization of the clean silver surfaces oxygen adsorption in several modifications (molecularly, on-surface,…

Materials Science · Physics 2009-11-10 M. Gajdos , A. Eichler , J. Hafner

In a low-temperature study with a scanning tunneling microscope (STM), the irreducible lateral motion of a CO molecule adsorbed on a Si(001) surface showed a hyperlinear dependence on the tunneling current. This dependence implies that the…

In this work, using theoretical calculations within the framework of the density functional theory, taking into account the dispersive VDW interaction, the processes of adsorption and interaction of a water molecule with a TiO2 surface in…

Diamond displays outstanding chemical, physical, and tribological properties, making it attractive for numerous applications ranging from biomedicine to tribology. However, the reaction of the materials with molecules present in the air,…

Materials Science · Physics 2023-04-28 Nam V. Tran , M. C. Righi