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TT: Fachverband Tiefe Temperaturen

TT 98: Focus Session: Visualization of Heavy Fermion Formation through Scanning Tunneling Microscopy

TT 98.6: Vortrag

Donnerstag, 19. März 2015, 17:45–18:00, H 0104

Single-Co Kondo effect on Au(110) — •Stefan Meierott, Nicolas Néel, and Jörg Kröger — Institut für Physik, Technische Universität Ilmenau, D-98693 Ilmenau, Germany

Scanning tunneling spectra of the differential conductance acquired atop single Co atoms on Au(110) exhibit a zero-bias resonance. This feature is attributed to the spectroscopic signature of the Kondo effect. Spatially resolved spectroscopy unveils a mismatch between the maximum resonance amplitude and the Co center. Based on currently available theory [1] the experimental observations are reproduced by taking the adsorption of Co on the facet of a Au(110) missing row into account.

Financial support by the Deutsche Forschungsgemeinschaft through KR 2912/7-1 is acknowledged.


[1] M. Plihal et. al., Phys. Rev. B 63, 085404 (2001)

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