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4 papers · 2 filters
Stability and lifetime of antiferromagnetic skyrmions
P. F. Bessarab, D. Yudin, D. R. Gulevich +3
The two-dimensional Heisenberg exchange model with out-of-plane anisotropy and a Dzyaloshinskii-Moriya interaction is employed to investigate the lifetime and stability of antiferr…
Interactions between two C60 molecules measured by scanning probe microscopies
Nadine Hauptmann, César González, Fabian Mohn +3
C60-functionalized tips are used to probe C60 molecules on Cu(111) with scanning tunneling and atomic force microscopy. Distinct and complex intramolecular contrasts are found. Max…
Phase-ordering of charge density waves traced by ultrafast low-energy electron diffraction
S. Vogelgesang, G. Storeck, S. Schramm +3
We introduce ultrafast low-energy electron diffraction (ULEED) in backscattering for the study of structural dynamics at surfaces. Using a tip-based source of ultrashort electron p…
Advanced SERS sensor based on capillarity-assisted preconcentration through gold nanoparticles-decorated porous nanorods
Longjian Xue, Wei Xie, Leonie Driessen +5
A preconcentrating surface-enhanced Raman scattering (SERS) sensor for the analysis of liquid-soaked tissue, tiny liquid droplets and thin liquid films without the necessity to col…