Vortex creep at very low temperatures in single crystals of the extreme type-II superconductor Rh${}_9$In${}_4$S${}_4$

Edwin Herrera-Vasco, 1 José Benito-Llorens, Udhara S. Kaluarachchi +4

We image vortex creep at very low temperatures using Scanning Tunneling Microscopy (STM) in the superconductor Rh${}_9$In${}_4$S${}_4$ ($T_c$=2.25 K). We measure the superconducting gap…