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- Universidad Autónoma de MadridES97 papers
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9 papers · 1 filter
Vortex ratchet reversal at fractional matching fields in kagomé-like array with symmetric pinning centers
D. Perez de Lara, A. Alija, E. M. Gonzalez +3
Arrays of Ni nanodots embedded in Nb superconducting films have been fabricated by sputtering and electron beam lithography techniques. The arrays are periodic triangular lattices…
Spectroscopic Signatures of Photogenerated Radical Anions in Polymer-[C70]Fullerene Bulk Heterojunctions
M. Liedtke, A. Sperlich, H. Kraus +6
Light induced polarons in solid films of polymer-fullerene blends were studied by applying photoluminescence (PL), photo induced absorption (PIA) techniques as well as electron spi…
Parikh's Theorem: A simple and direct automaton construction
Javier Esparza, Pierre Ganty, Stefan Kiefer +1
Parikh's theorem states that the Parikh image of a context-free language is semilinear or, equivalently, that every context-free language has the same Parikh image as some regular…
Billion-atom Synchronous Parallel Kinetic Monte Carlo Simulations of Critical 3D Ising Systems
Enrique Martinez, Paul R Monasterio, Jaime Marian
An extension of the synchronous parallel kinetic Monte Carlo (pkMC) algorithm developed by Martinez {\it et al} [{\it J.\ Comp.\ Phys.} {\bf 227} (2008) 3804] to discrete lattices…
Tailoring magnetic anisotropy in epitaxial half metallic La0.7Sr0.3MnO3 thin films
P. Perna, C. Rodrigo, E. Jiménez +5
We present a detailed study on the magnetic properties, including anisotropy, reversal fields, and magnetization reversal processes, of well characterized half-metallic epitaxial L…
Potential Energy Landscape for hot electrons in periodically nanostructured graphene
B. Borca, S. Barja, M. Garnica +9
We explore the spatial variations of the unoccupied electronic states of graphene epitaxially grown on Ru(0001) and observed three unexpected features: the first graphene image sta…