Figure 3From: Influence of transition metal doping on the structural, optical, and magnetic properties of TiO2 films deposited on Si substrates by a sol–gel processTM 2p core level XPS spectra for TM-doped TiO 2 thin films. High-resolution XPS spectra of Ni 2p (a), Fe 2p (b), and Co 2p (c) core level for TM-doped TiO2 films. Experimental and fitted XPS spectra of Ni 2p (d), Fe 2p (e), and Co 2p (f) core level for Ti0.97TM0.03O2 films.Back to article page