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The transition from an indirect to direct bandgap in transition metal dichalcogenides has been observed in samples with thicknesses ranging from 8 to 1 monolayers by angle-resolved photoemission spectroscopy.
Magnetic vortices can be nucleated and propagated in an extended film by tuning the attraction between them and the electrical nanocontacts deposited on the magnetic layer.
A study of the magnetic fine structure of the electronic states in a semiconductor quantum dot coupled to a superconducting contact highlights important elements that should be taken into account in the search for Majorana modes in the solid state.
The spin excitation energy and the magnetic anisotropy of individual atoms can be modified by varying the exchange coupling of the atomic spin to metallic leads.