Conductance and Kondo effect of a controlled single atom contact

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dc.creatorNeel, N.
dc.creatorKroeger, J.
dc.creatorLimot, L.
dc.creatorPalotas, K.
dc.creatorHofer, W. A.
dc.creatorBerndt, R.
dc.date2006-10-16
dc.date.accessioned2026-07-07T07:27:32Z
dc.date.available2026-07-07T07:27:32Z
dc.descriptionThe tip of a low-temperature scanning tunneling microscope is brought into contact with individual Kondo impurities (cobalt atoms) adsorbed on a Cu(100) surface. A smooth transition from the tunneling regime to a point contact with a conductance of $G\approx\text{G}_0$ occurs. Spectroscopy in the contact regime, {\it i. e.}, at currents in a $μ\text{A}$ range was achieved. A modified line shape is observed indicating a significant change of the Kondo temperature $T_{\text{K}}$ at contact. Model calculations indicate that the proximity of the tip shifts the cobalt $d$-band and thus affects $T_{\text{K}}$.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0610419
dc.identifierhttp://arxiv.org/abs/cond-mat/0610419
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/117408
dc.subjectStrongly Correlated Electrons
dc.titleConductance and Kondo effect of a controlled single atom contact
dc.typetext

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