The search for the ultimate size limit of magnetic information storage, and the aim of exploring magnetic quantum properties for information processing, have driven funda-mental research towards atomic-scale struc-tures that contain fewer and fewer atoms. Benchmarks for such systems are long magnetic relaxation times, leading to magnetic quantum states that are stable on the time scales required for storage or quantum computation.
At ISM Trieste we study the magnetic properties of individual atoms and small clusters adsorbed on materials with poten-tially high technological relevance, such as graphene and other 2D-materials, and topological insulators. We use the most sensitive techniques, such as scanning tunneling microscopy and x-ray magnetic dichroism, to study the stability of the magnetic state of the investigated systems.
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