Figure 2
From: Growing a LaAlO3/SrTiO3 heterostructure on Ca2Nb3O10 nanosheets

Intensity (a) and FWHM (b) map of the specular (0, 0) diffraction spot versus landing energy during deposition of SrTiO3 on sample A. The intensity map in (a) shows a clear change in material, while the FWHM maps in (b) shows sharpening of the diffraction spots. Moreover, the FWHM becomes energy dependent. The FWHM is given in percentage of the size of the Brillouin zone. Figure taken from16.