¹Martin-Luther-University and Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale); ²Institute of Chemical Technology, Universität Leipzig; ³Carl Zeiss X-ray Microscopy, Pleasanton (United States); ⁴Institute of Physics Martin-Luther-Universität Halle-Wittenberg, Halle (Saale) (Denmark); ⁵Mines ParisTech, PSL - Research University, Centre for Mathematical Morphology, Fontainebleau (France)