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5 papers · 1 filter
Physics of Silicene Stripes
A. Kara, C. Leandri, M. E. Davila +5
Silicene, a monolayer of silicon atoms tightly packed into a two-dimensional honeycomb lattice, is the challenging hypothetical reflection in the silicon realm of graphene, a one-a…
Picosecond laser structuration under high pressures: observation of boron nitride nanorods
Luc Museur, Jean Pierre Petitet, Jean Pierre Michel +4
We report on picosecond UV-laser processing of hexagonal boron nitride (hBN) at moderately high pressures above 500 bar. The main effect is specific to the ambient gas and laser pu…
A tight-binding potential for atomistic simulations of carbon interacting with transition metals: Application to the Ni-C system
Hakim Amara, Jean-Marc Roussel, Christophe Bichara +2
We present a tight-binding potential for transition metals, carbon, and transition metal carbides, which has been optimized through a systematic fitting procedure. A minimal basis,…
A comparative study of CO adsorption on flat, stepped and kinked Au surfaces using density functional theory
F. Mehmood, A. Kara, T. S. Rahman +1
Our ab initio calculations of CO adsorption energies on low miller index (111), (100), stepped (211), and kinked (532) gold surfaces show a strong dependence on local coordination…
Are conductance plateaus independent events in atomic point contact measurements ? A statistical approach
Thomas Leoni, Sabrina Homri, Remi Zoubkoff +6
Room temperature conductance-elongation curves of gold atomic wires are measured using a Scanning Tunnelling Microscope Break Junction technique. Landauer's conductance plateaus ar…