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.
-8 -4 0 4 8 0.9 1.0 125m Co wire to PtBi2 plane R=9 1.5K 2K 2.5K 3.3K 3.8K 4.2K 4.9K 6.2K 5.5K V (mV) dV/dI (rel
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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.