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7 papers · 2 filters
Casimir Force between Atomically Thin Gold Films
M. Boström, C. Persson, Bo E. Sernelius
We have used density functional theory to calculate the anisotropic dielectric functions for ultrathin gold sheets (composed of 1, 3, 6, and 15 atomic layers). Such films are impor…
Casimir attractive-repulsive transition in MEMS
M. Boström, S. Å. Ellingsen, I. Brevik +3
Unwanted stiction in micro- and nanomechanical (NEMS/MEMS) systems due to dispersion (van der Waals, or Casimir) forces is a significant hurdle in the fabrication of systems with m…
Casimir effects in graphene systems: unexpected power laws
Bo E. Sernelius
We present calculations of the zero-temperature Casimir interaction between two freestanding graphene sheets as well as between a graphene sheet and a substrate. Results are given…
Electronic Structure and Chemical Bonding of Amorphous Chromium Carbide Thin Films
Martin Magnuson, Matilda Andersson, Jun Lu +2
The microstructure, electronic structure, and chemical bonding of chromium carbide thin films with different carbon contents have been investigated with high-resolution transmissio…
Retarded interactions in Graphene systems
Bo E. Sernelius
We first demonstrate how two-dimensional sheets are incorporated in the formalism for planar structures. Then we derive the interaction in the geometry of two free-standing graphen…
Long spin relaxation times in wafer scale epitaxial graphene on SiC(0001)
T. Maassen, J. J. van den Berg, N. IJbema +4
We developed an easy, upscalable process to prepare lateral spin-valve devices on epitaxially grown monolayer graphene on SiC(0001) and perform nonlocal spin transport measurements…