XRD patterns of and films grown on substrates showing anatase structure.
Room-temperature Raman spectrum of the , films, and the substrate (the bottom curve), ranging from 100 to . The peaks of 396 and can be further evidenced that the phase of is anatase. The inset shows the zoomed in region for modes. Note that the substrate related signature near showing a shift in the film samples.
XPS spectra for film: (a) , (b) , (c) of , (d) of core levels.
curves of thin films taken at 300 K: (a) as-measured curves of and . (b) Corrected curves of the epitaxial films on . The inset shows the zoomed in region for the curve.
Electrical properties of and films measured under room temperature conditions.
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