Search Results - "Urbassek, H. M."

Atomistic simulation of tantalum nanoindentation: Effects of indenter diameter, penetration velocity, and interatomic potentials on defect mechanisms and evolution by Ruestes, C.J., Stukowski, A., Tang, Y., Tramontina, D.R., Erhart, P., Remington, B.A., Urbassek, H.M., Meyers, M.A., Bringa, E.M.

“…Nanoindentation simulations are a helpful complement to experiments. There is a dearth of nanoindentation simulations for bcc metals, partly due to the lack of…”
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Atomic dynamics of explosive boiling of liquid-argon films by GU, X, URBASSEK, H. M

“…Using molecular-dynamics simulation, we study the explosive boiling of thin liquid-argon films adsorbed on a metal surface. This process might be induced by…”
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Unraveling the temperature-dependent plastic deformation mechanisms of polycrystalline Ta implants through numerical analysis of grain boundary dynamics by Kardani, A., Montazeri, A., Urbassek, H. M.

“…Nanostructured tantalum (Ta)-based dental implants have recently attracted significant attention thanks to their superior biocompatibility and bioactivity as…”
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Desolvation of macromolecules by ultrafast heating: A molecular-dynamics study by Sun, S. N., Urbassek, H. M.

“…Using molecular-dynamics simulation, we investigate the consequences of ultrafast laser-induced heating of a water droplet containing a solvated polymer, using…”
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Molecular Dynamics Simulation Study of Mechanical Effects of Lubrication on a Nanoscale Contact Process by Stephan, S., Lautenschlaeger, M. P., Alhafez, I. Alabd, Horsch, M. T., Urbassek, H. M., Hasse, H.

“…Using molecular dynamics simulation, we study the effect of a lubricant on indentation and scratching of a Fe surface. By comparing a dry reference case with…”
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Effects of mechanical loading on the magnetic and dynamic properties of engineering materials by Scherthan, L., Auerbach, H., Deldar, S., Jenni, K., Wolny, J. A., Herlitschke, M., Wille, H. -C., Mutter, A., Meiser, J., Umstätter, P., Urbassek, H. M., Beck, T., Smaga, M., Schünemann, V.

“…The influence of strain on the magnetic and dynamic properties of ARMCO iron has been characterized by Mössbauer spectroscopy and by Nuclear Inelastic…”
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Making channeling visible: keV noble gas ion trails on Pt(111) by Redinger, A, Standop, S, Rosandi, Y, Urbassek, H M, Michely, T

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Molecular dynamics simulations of Ar gas ejection from a ruptured subsurface bubble in Cu(100) induced by impact of 200 eV Ar atoms by Kuba, P., Lorinčík, J., Lísal, M., Urbassek, H.M.

“…We present a molecular dynamics simulation of the rupture of a subsurface Ar bubble in Cu(100) and the ejection of Ar atoms and Ar 2 dimers. A cavity in the…”
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Tubular Structures of Siloxenes by Seifert, G., Frauenheim, Th, Köhler, Th, Urbassek, H.M.

“…Using density‐functional tight‐binding theory we demonstrate that silicon‐based tubular nanostructures in the form of siloxenes are stable and energetically…”
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A molecular dynamics simulation of the effect of near-surface gas-phase collisions on final velocities of sputtered ions by Kuba, P., Lorinčík, J., Anders, C., Urbassek, H. M.

“…We have performed molecular dynamic simulations of low‐energy sputtering of copper by Ar atoms and estimated ionization probabilities of individual atoms. The…”
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Energy deposition, reflection and sputtering in hyperthermal rare-gas → Cu bombardment by GADES, H, URBASSEK, H. M

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Grazing incidence ion erosion in the presence of adsorbates by Redinger, A, Rosandi, Y, Urbassek, H M, Michely, T

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Hyperthermal cluster-surface scattering : Comparison of fragmentation, energy redistribution, and sticking in atomic and molecular clusters by ZIMMERMANN, S, URBASSEK, H. M

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Tight-binding simulation of liquid and amorphous Si at zero pressure by Klein, Peter, Urbassek, Herbert M., Frauenheim, Thomas

“…Using a parametrization of the tight-binding Hamiltonian which includes s, p, and d orbitals, we simulate liquid Si; it has the experimental density at zero…”
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Pressure Control in Tight-Binding Molecular Dynamics: Application to a-Si Formation by Klein, P., Urbassek, H. M.

“…We introduce a mechanism for pressure control into an otherwise conventional tight‐binding molecular‐dynamics algorithm. A generalized enthalpy is derived,…”
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The dimer sputtering mechanism of Cu(001) at low bombarding energy by Karetta, F., Urbassek, H. M.

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Sputtering from spherical Au clusters by energetic atom bombardment by Kissel, Rolf, Urbassek, Herbert M.

“…Using molecular-dynamics simulation, we study the effect of 100 keV Au atom bombardment of spherical Au clusters (radius R=40 Å), containing 15,784 atoms…”
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Effect of energy density on cluster formation from energized metals by Colla, Thomas J., Urbassek, Herbert M.

“…Using molecular-dynamics computer simulation, we perform a model study of the processes occurring after the sudden energization of a laterally infinite…”
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Effect of surface steps on sputtering and surface defect formation: molecular-dynamics study of 5 keV Xe + bombardment of Pt(1 1 1) at glancing incidence angles by Friedrich, Andreas, Urbassek, Herbert M.

“…Using molecular-dynamics simulation, we study sputtering and defect formation induced by 5 keV Xe + ion impact on a Pt(1 1 1) surface at oblique and glancing…”
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Collision cascades as fractals by Winterbon, K B, Urbassek, H M, Sigmund, P, Gras-Marti, A

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