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Exchange interaction between single magnetic adatoms
P. Wahl, P. Simon, L. Diekhoener +4
The 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 K…
Kondo effect of Co adatoms on Ag monolayers on noble metal surfaces
M. A. Schneider, P. Wahl, L. Diekhöner +3
The Kondo temperature of single Co adatoms on monolayers of Ag on Cu and Au(111) is determined using Scanning Tunneling Spectroscopy. of Co on a single monolayer of Ag…
Kondo temperature of magnetic impurities at surfaces
P. Wahl, L. Diekhöner, M. A. Schneider +3
Based on the experimental observation, that only the close vicinity of a magnetic impurity at metal surfaces determines its Kondo behaviour, we introduce a simple model which expla…
Quantum Coherence of Image-Potential States
P. Wahl, M. A. Schneider, L. Diekhöner +2
The quantum dynamics of the two-dimensional image-potential states in front of the Cu(100) surface is measured by scanning tunneling microscopy (STM) and spectroscopy (STS). The di…