Thin films showing good Raman spectra but no defined XRD peaks. Why?

NiTiO3 thin films were deposited by co-sputtering process and annealed at 1100 oC. Films deposited at 0.008 mBar chamber pressure showed Raman modes but no XRD peaks were seen. films deposited at...

10 October 2014 6,424 10 View