Fig. 3
From: Structural and Visible-Near Infrared Optical Properties of Cr-Doped TiO2 for Colored Cool Pigments
XPS spectra of the a Ti-2p, b Cr-2p, and c O-1s level in Ti1 − x Cr x O2 samples (x = 0.00625)
Fig. 3 | Nanoscale Research Letters