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- B. Büchner4 profiles366 · h 61
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- Technische Universität DresdenDE676 papers
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7 papers · 2 filters
CoIr-carbon complexes with magnetic anisotropies larger than 0.2 eV: a density-functional-theory prediction
Ruijuan Xiao, Michael D. Kuz'min, Klaus Koepernik +1
We report a density-functional study of the heteronuclear CoIr dimer adsorbed on benzene or graphene. In either case CoIr prefers an upright position above the center of a carbon h…
Directional Roll-up of Nanomembranes Mediated by Wrinkling
P. Cendula, S. Kiravittaya, I. Mönch +2
We investigate the relaxation of rectangular wrinkled thin films intrinsically containing an initial strain gradient. A preferential rolling direction, depending on wrinkle geometr…
Photoemission induced gating of topological insulator
A. A. Kordyuk, T. K. Kim, V. B. Zabolotnyy +6
The recently discovered topological insulators exhibit topologically protected metallic surface states which are interesting from the fundamental point of view and could be useful…
Enhancing the optical excitation efficiency of a single self-assembled quantum dot with a plasmonic nanoantenna
Markus Pfeiffer, Klas Lindfors, Christian Wolpert +6
We demonstrate how the controlled positioning of a plasmonic nanoparticle modifies the photoluminescence of a single epitaxial GaAs quantum dot. The antenna particle leads to an in…
Hybrid superconductor-semiconductor devices made from self-assembled SiGe nanocrystals on silicon
G. Katsaros, P. Spathis, M. Stoffel +7
The epitaxial growth of germanium on silicon leads to the self-assembly of SiGe nanocrystals via a process that allows the size, composition and position of the nanocrystals to be…
Absence of anomalous interactions in the quantum theory of constrained charged particles in presence of electrical currents
Carmine Ortix, Jeroen van den Brink
The experimental progress in synthesizing low-dimensional nanostructures where carriers are confined to bent surfaces has boosted the interest in the theory of quantum mechanics on…