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RKKY-like contributions to the magnetic anisotropy energy: 3d adatoms on Pt(111) surface
Mohammed Bouhassoune, Manuel dos Santos Dias, Bernd ZImmermann +2
The magnetic anisotropy energy defines the energy barrier that stabilizes a magnetic moment. Utilizing density functional theory based simulations and analytical formulations, we e…
Theory of real space imaging of Fermi surfaces
Samir Lounis, Peter Zahn, Alexander Weismann +5
A scanning tunneling microscope can be used to visualize in real space Fermi surfaces with buried impurities far below substrates acting as local probes. A theory describing this f…
Spin-polarization of platinum (111) induced by the proximity to cobalt nanostripes
Focko Meier, Samir Lounis, Jens Wiebe +6
We measured a spin polarization above a Pt (111) surface in the vicinity of a Co nanostripe by spin-polarized scanning tunneling spectroscopy. The spin polarization is exponentiall…
A proper ballistic calculation of tunneling conductance for real junctions
P. M. Levy, K. Wang, P. H. Dederichs +4
Employing an ab initio Screened Korringa-Kohn-Rostoker (SKKR) band structure method for a metal-vacuum-metal junction, we find that the tunnel conductance is different when it is c…
The combined effect of temperature and disorder on interlayer exchange coupling in magnetic multilayers
Vaclav Drchal, Josef Kudrnovsky, Patrick Bruno +2
We study the combined effect of temperature and disorder in the spacer on the interlayer exchange coupling. The temperature dependence is treated on ab initio level. We employ the…
Ab initio theory of the interlayer exchange coupling
Josef Kudrnovsky, Vaclav Drchal, Ilja Turek +3
Ab initio formulations of the interlayer exchange coupling (IEC) between two, in general non-collinearly aligned magnetic slabs embedded in a non-magnetic spacer are reviewed where…