Extended Data Fig. 1: Bulk characterization of Tc.
From: Unconventional spectral signature of Tc in a pure d-wave superconductor
a–e, Real part of the a.c. magnetic susceptibility (χ′) for thin crystals exfoliated from the cleaved surfaces. The sample name and excitation field amplitude are marked in each panel. The field frequency is 4 kHz. f, As in a, for a thick crystal. The grey lines in a–f mark Tc ≈ 77 K.
