High-precision absolute lattice parameter determination of SrTiO3, DyScO3 and NdGaO3 single crystals

Figure 2
Experimental (black squares) rocking curve ( [omega]

scan) of the (006)^- Bragg reflection of an NdGaO₃ (001) single crystal along with a Gaussian line fit (red line). The measured FWHM is [Delta]

= 0.0055°. This figure is in colour in the electronic version of this paper.