Indication of Superconductivity at 35 K in Graphite-Sulfur Composites
da Silva, R. Ricardo · Torres, J. H. S. · Kopelevich, Y.
Original · EN
We report magnetization measurements performed on graphite--sulfur composites which demonstrate a clear superconducting behavior below the critical temperature Tc₀ = 35 K. The Meissner-Ochsenfeld effect, screening supercurrents, and magnetization hysteresis loops characteristic of type-II superconductors were measured. The results indicate that the superconductivity occurs in a small sample fraction, possibly related to the sample surface.
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