Figure 4From: Hydrothermal epitaxy and resultant properties of EuTiO3 films on SrTiO3(001) substrateXPS spectra of the as-grown and postannealed samples. (a) A comparison of the Eu 3d core-level XPS spectra between the as-grown and postannealed samples. (b) Ti 2p core-level XPS spectra of the as-grown and postannealed samples.Back to article page