Kondo effect in single atom contacts: The importance of the atomic geometry

L Vitali, R Ohmann, S Stepanow, P Gambardella… - Physical review …, 2008 - APS
Co single atom junctions on copper surfaces are studied by scanning tunneling microscopy
and ab initio calculations. The Kondo temperature of single cobalt atoms on the Cu (111) …

Kondo resonance of a Co atom exchange coupled to a ferromagnetic tip

DJ Choi, S Guissart, M Ormaza, N Bachellier… - Nano Letters, 2016 - ACS Publications
The Kondo effect of a Co atom on Cu (100) was investigated with a low-temperature
scanning tunneling microscope using a monoatomically sharp nickel tip. Upon a tip-Co …

Kondo effect of a Co atom on Cu (111) in contact with an iron tip

N Néel, J Kröger, R Berndt - Physical Review B—Condensed Matter and …, 2010 - APS
Single Co atoms, which exhibit a Kondo effect on Cu (111), are contacted with Cu and Fe
tips in a low-temperature scanning tunneling microscope. With Fe tips, the Kondo effect …

Co adatoms on Cu surfaces: ballistic conductance and Kondo temperature

PP Baruselli, R Requist, A Smogunov, M Fabrizio… - Physical Review B, 2015 - APS
The Kondo zero-bias anomaly of Co adatoms probed by scanning tunneling microscopy is
known to depend on the height of the tip above the surface, and this dependence is different …

Conductance and Kondo effect in a controlled single-atom contact

N Néel, J Kröger, L Limot, K Palotas, WA Hofer… - Physical review …, 2007 - APS
The tip of a low-temperature scanning tunneling microscope is brought into contact with
individual cobalt atoms adsorbed on Cu (100). A smooth transition from the tunneling regime …

From tunneling to contact in a magnetic atom: The non-equilibrium Kondo effect

DJ Choi, P Abufager, L Limot, N Lorente - The Journal of Chemical …, 2017 - pubs.aip.org
A low-temperature scanning tunneling microscope was employed to study the differential
conductance in an atomic junction formed by an adsorbed Co atom on a Cu (100) surface …

Conductance-driven change of the Kondo effect in a single cobalt atom

DJ Choi, MV Rastei, P Simon, L Limot - Physical review letters, 2012 - APS
A low-temperature scanning tunneling microscope is employed to build a junction
comprising a Co atom bridging a copper-coated tip and a Cu (100) surface. An Abrikosov …

Kondo-effect of substitutional cobalt impurities at copper surfaces

P Wahl, AP Seitsonen, L Diekhöner… - New Journal of …, 2009 - iopscience.iop.org
The influence of the coordination on the Kondo temperature of a magnetic impurity at a
noble metal surface and the line shape observed in low temperature scanning tunneling …

Exchange interaction between single magnetic adatoms

P Wahl, P Simon, L Diekhöner, VS Stepanyuk, P Bruno… - Physical review …, 2007 - APS
The magnetic coupling between single Co atoms adsorbed on a copper surface is
determined by probing the Kondo resonance using low-temperature scanning tunneling …

Kondo state of Co impurities at noble metal surfaces

MA Schneider, L Vitali, P Wahl, N Knorr, L Diekhöner… - Applied Physics A, 2005 - Springer
We use scanning tunneling microscopy and spectroscopy to study the properties of
magnetic Co adatoms on noble metal surfaces at 6 K. Due to spin-flip scattering of the …