Fig. 4: Doping dependence of the Raman conductivity in bilayer Ta2NiSe5.
From: Gate tuning of coupled electronic and structural phase transition in atomically thin Ta2NiSe5
a–d Doping-dependent Raman conductivity color plots for the bilayer sample D17 at selected temperatures. e–h Representative spectra corresponding to (a–d) at selected doping levels. All data were collected in the crossed polarization (ac) configuration.
