Fig. 1
From: Discrete energy levels of Caroli-de Gennes-Matricon states in quantum limit in FeTe0.55Se0.45
STM results and superconducting transition of FeTe0.55Se0.45. a Atomically resolved topographic image with the square lattice measured at 1.8 K with a bias voltage of Vbias = 10 mV and tunneling current of Iset = 300 pA. Scale bar, 4 nm. b Temperature dependence of mass magnetization after zero-field-cooled (ZFC) and field-cooled (FC) modes at 10 Oe. c Spatially resolved tunneling spectra along the arrowed line measured at 0.4 K. The superconducting gaps seem very inhomogeneous on the sample and two arrows on one typical spectrum are used to mark the two energy gaps. d Spectroscopic image of vortex lattice measured by zero bias conductance map at T = 0.48 K and B = 5 T, the field of view dimensions are 200 nm × 200 nm
