Scanning tunneling spectroscopy of magnetic bulk impurities: from a single Kondo atom towards a coupled system
Göttingen, Univ., Diss., 2013
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| Sprache: | eng |
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2013
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Tag hinzufügen | Zusammenfassung: | Göttingen, Univ., Diss., 2013 This thesis focuses on single impurity Kondo physics and the transition towards coupled Kondo systems in real space. Single magnetic iron and cobalt and non magnetic silver atoms embedded below a copper surface are investigated using low temperature scanning tunneling microscopy and spectroscopy. Spectroscopic information is used to map the conduction electrons at the surface in the vicinity of sub-surface impurities. Iron and cobalt atoms show a spatially extended Kondo signature which allows determining the phase shift caused by the Kondo effect. Both impurity species show similar behavio... |
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| Beschreibung: | X, 111 S. Ill., graph. Darst. |