Exchange interaction between single magnetic adatoms

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dc.creatorWahl, P.
dc.creatorSimon, P.
dc.creatorDiekhoener, L.
dc.creatorStepanyuk, V. S.
dc.creatorBruno, P.
dc.creatorSchneider, M. A.
dc.creatorKern, K.
dc.date2006-11-28
dc.date2007-02-11
dc.date.accessioned2026-07-07T07:45:42Z
dc.date.available2026-07-07T07:45:42Z
dc.descriptionThe magnetic coupling between single Co atoms adsorbed on a copper surface is determined by probing the Kondo resonance using low-temperature scanning tunneling spectroscopy. The Kondo resonance, which is due to magnetic correlation effects between the spin of a magnetic adatom and the conduction electrons of the substrate, is modified in a characteristic way by the coupling of the neighbouring adatom spins. Increasing the interatomic distance of a Cobalt dimer from 2.56A to 8.1A we follow the oscillatory transition from ferromagnetic to antiferromagnetic coupling. Adding a third atom to the antiferromagnetically coupled dimer results in the formation of a collective correlated state.
dc.description4 pages, 2 figures, 1 table
dc.identifierhttps://arxiv.org/abs/cond-mat/0611716
dc.identifierhttp://arxiv.org/abs/cond-mat/0611716
dc.identifierdoi:10.1103/PhysRevLett.98.056601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/123621
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleExchange interaction between single magnetic adatoms
dc.typetext

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