Single-Co Kondo effect in atomic Cu wires on Cu(111)

@article{Nel2019SingleCoKE,
  title={Single-Co Kondo effect in atomic Cu wires on Cu(111)},
  author={Nicolas N{\'e}el and J{\"o}rg Kr{\"o}ger and Malte Sch{\"u}ler and Bin Shao and Tim Oliver Wehling and Alexander Kowalski and Giorgio Sangiovanni},
  journal={arXiv: Strongly Correlated Electrons},
  year={2019}
}
Linear atomic chains containing a single Kondo atom, Co, and several nonmagnetic atoms, Cu, were assembled atom by atom on Cu(111) with the tip of a scanning tunneling microscope. The resulting one-dimensional wires, Cu$_m$CoCu$_n$ ($0\leq m, n\leq 5$), exhibit a rich evolution of the single-Co Kondo effect with the variation of $m$ and $n$, as inferred from changes in the line shape of the Abrikosov-Suhl-Kondo resonance. The most striking result is the quenching of the resonance in CuCoCu$_2… 
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