Superconductivity in a Molecular Metal Cluster Compound
Abstract
Compelling evidence for band-type conductivity and even bulk superconductivity below T\c≈ 8 K has been found in 69,71Ga-NMR experiments in crystalline ordered, giant Ga\84 cluster-compounds. This material appears to represent the first realization of a theoretical model proposed by Friedel in 1992 for superconductivity in ordered arrays of weakly coupled, identical metal nanoparticles.
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