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arxiv: cond-mat/0511612 · v2 · submitted 2005-11-24 · ❄️ cond-mat.str-el · cond-mat.supr-con

Superconductivity in a Molecular Metal Cluster Compound

classification ❄️ cond-mat.str-el cond-mat.supr-con
keywords superconductivitymetalorderedappearsapproxarraysband-typebeen
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Compelling evidence for band-type conductivity and even bulk superconductivity below $T\_{\text{c}}\approx 8$ K has been found in $^{69,71}$Ga-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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