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Observation of two impurity Kondo effect in Scanning Tunneling Spectroscopy

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, , Citation Emi Minamitani et al 2009 J. Phys.: Conf. Ser. 150 042125 DOI 10.1088/1742-6596/150/4/042125

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1 Department of Precision Science & Technology and Applied Physics Graduate School of Engineering, Osaka University, Suita, Osaka, 565–0871, Japan

2 Department of Physics, Graduate School of Science, Osaka University, Toyonaka,Osaka 560–0043, Japan

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1742-6596/150/4/042125

Abstract

We derive a formula for the differential conductance measured in Scanning Tunneling Spectroscopy for two magnetic atoms absorbed on metal surface. We find that the shape of the differential conductance spectra varies with the distance between the two atoms. This change indicates the variation in effective range of the Kondo effect and the RKKY interaction effect.

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10.1088/1742-6596/150/4/042125