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Nanotechnology

New spin on correlated electrons

In the Kondo effect, the flow of electrons in a solid is modulated by magnetic impurities. Nanostructures such as carbon nanotubes can be designed to obtain even more complex versions of this intriguing effect.

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Figure 1: Degeneracy and the Kondo effect.
Figure 2: Many kinds of Kondo.

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Potok, R., Goldhaber-Gordon, D. New spin on correlated electrons. Nature 434, 451–452 (2005). https://doi.org/10.1038/434451a

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