Extended Data Fig. 1: WSe2 A exciton gate behaviour.
From: Mott and generalized Wigner crystal states in WSe2/WS2 moiré superlattices
a, Reflection contrast spectra for the lowest-energy WSe2 A exciton resonance in region 2 of device D1 when the local top-gate voltage Vtop is tuned from 0.5 V to –3.5 V. Region 2 is not affected when the hole concentration is tuned in region 1 by Vtop. b, Reflection contrast spectra for the WSe2 A exciton in region 2 when the global back gate is tuned from −0.95 V to −1.05 V. The inset shows a zoomed-in view of the exciton peak. The spectral change is monotonic and approximately linear with carrier concentration.
