Effect of oxygen content on dielectric characteristics of Cr-doped LaTiOx Project supported by the National Natural Science Foundation of China (Grant No. 51571006). |
(color online) La 3d XPS spectra of (a) La0.85Cr0.15TiOx, (b) O2-annealed La0.85Cr0.15TiOx+δ, (c) Ar/H2-annealed La0.85Cr0.15TiOx−δ, (d) La0.7Cr0.3TiOx, (e) O2-annealed La0.7Cr0.3TiOx+δ, and (f) Ar/H2-annealed La0.7Cr0.3TiOx−δ. |