Fig. 2: Measure of the CDW gap across the CDW critical temperature.
From: Dynamics and resilience of the unconventional charge density wave in ScV6Sn6 bilayer kagome metal
a ARPES measured along the \(\bar{{{\Gamma }}}\)-\(\bar{M}\) direction above TCDW (and zoomed-in inset). b ARPES measured along the \(\bar{{{\Gamma }}}\)-\(\bar{M}\) direction below TCDW (and zoomed-in inset) showing the appearance of an energy gap (see blue arrow). The dashed orange curves are guides for the eye. c, d Curvature plots for the ARPES spectra in (a, b), respectively. The difference between (c, d) demonstrates the opening of a CDW gap across the transition temperature for the single band highlighted by the orange dashed line. e EDCs collected for the ARPES in (a, b) taken at approximately 0.5 Å−1. The red EDC, collected below TCDW, shows a peak around 0.2 eV of binding energy, absent in the case of the black curve collected at a temperature above TCDW.
