amywinehouse
第16楼2009/03/22
Since the sample is quite thick (and I guess the sample contains grains or domains), such a diffraction is an overlapping of diffraction patterns from a strong 001 zone grain, twinned grains and strong multiple diffraction effects. I don't think it is from a superlattice structure. If you don't mind, please let us know the material you've been looking at.