1. Chemical Technology of Materials Synthesis, University of Wuerzburg, Roentgenring 11, 97070 Würzburg, Germany
2. Magnetic Resonance and X-ray Imaging Department, Development Center X-ray Technology EZRT, Fraunhofer Institute for Integrated Circuits IIS, Am Hubland, 97074 Würzburg, Germany
3. Fraunhofer Institute for Silicate Research ISC, Neunerplatz 2, 97082 Würzburg, Germany