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Abstract: Clusters containing a single magnetic impurity were investigated by scanningtunneling microscopy, spectroscopy, and ab initio electronic structurecalculations. The Kondo temperature of a Co atom embedded in Cu clusters onCu111 exhibits a non-monotonic variation with the cluster size. Calculationsmodel the experimental observations and demonstrate the importance of the localand anisotropic electronic structure for correlation effects in small clusters.



Autor: N. Neel, J. Kroeger, R. Berndt, T. Wehling, A. Lichtenstein, M.I. Katsnelson

Fuente: https://arxiv.org/







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