Figure 2
From: Metallic conduction induced by direct anion site doping in layered SnSe2

XPS and Raman spectroscopy.
(a) X-ray photoemission and (b) Raman spectroscopy results for sample A (x = 0, non-doped SnSe2) and sample H (x = 0.04) Dashed line in Fig. 2(a) remarks the characteristic Cl- peak position.