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8 papers · 2 filters
Negative refraction in natural ferromagnetic metals
Sebastian Engelbrecht, Alexey Mikhailovich Shuvaev, Y. Luo +2
It is generally believed that Veselago's criterion for negative refraction cannot be fulfilled in natural materials. However, considering imaginary parts of the permittivity (ε) an…
Observation and destruction of an elusive adsorbate with STM: O/TiO
Philipp Scheiber, Alexander Riss, Michael Schmid +2
When a slightly defective rutile TiO(110) surface is exposed to O at elevated temperatures, the molecule dissociates at defects, filling O vacancies (\ov) and creating O ad…
Site Occupancy and Lattice Parameters in Sigma-Phase Co-Cr alloys
Jakub Cieslak, Stanislaw M. Dubiel, Michael Reissner
Neutron diffraction technique was used to study distribution of Co and Cr atoms over different lattice sites as well as lattice paramaters in sigma-phase Co100-xCrx compounds with…
Metamaterials proposed as perfect magnetoelectrics
A. M. Shuvaev, S. Engelbrecht, M. Wunderlich +2
Magnetoelectric susceptibility of a metamaterial built from split ring resonators have been investigated both experimentally and within an equivalent circuit model. The absolute va…
Wien2wannier: From linearized augmented plane waves to maximally localized Wannier functions
Jan Kunes, Ryotaro Arita, Philipp Wissgott +3
We present an implementaion of interface between the full-potential linearized augmented plane wave package Wien2k and the wannier90 code for the construction of maximally localize…
Systematic investigation of a family of gradient-dependent functionals for solids
Philipp Haas, Fabien Tran, Peter Blaha +4
Eleven density functionals are compared with regard to their performance for the lattice constants of solids. We consider standard functionals, such as the local-density approximat…