Point contacts on trigonal PtBi2 exhibit enhanced superconductivity with Tc up to 8 K, likely due to local strain from contact formation, observed with both normal and ferromagnetic tips and stronger at sample edges.
Schimmel et al., High-Tc surface superconductivity in topological Weyl semimetal t-PtBi2, Nat Commun 15, 9895 (2024)
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Point-contact enhanced superconductivity in trigonal PtBi2: quest for the origin of high-Tc
Point contacts on trigonal PtBi2 exhibit enhanced superconductivity with Tc up to 8 K, likely due to local strain from contact formation, observed with both normal and ferromagnetic tips and stronger at sample edges.