Abstract:We report the superconductivity of the topological nodal-line semimetal candidate Sn
x
NbSe2-δ
with a noncentrosymmetric crystal structure. The superconducting transition temperature T
c of Sn
x
NbSe2-δ
drastically varies with the Sn concentration x and the Se deficiency δ, and reaches 12 K, relatively higher than those of known topological superconductors. The upper critical fi… Show more
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