1. Chair of Chemical Technology of Materials Synthesis, Julius-Maximilians-University Würzburg, Röntgenring 11, D97070 Würzburg, Germany
2. Fraunhofer-Institute for Silicate Research ISC, Neunerplatz 2, D97082 Würzburg, Germany
3. Departement of Chemistry and Pharmacy, Inorganic Chemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstrasse 1, D91058 Erlangen, Germany
4. University Bordeaux, ISM, UMR-5255, F-33400 Talence, France
5. CNRS, ISM, UMR5255, F-33400 Talence, France
6. Magnetic Resonance and X-ray Imaging Department, Development Center X-ray Technology, Fraunhofer-Institute for Integrated Circuits IIS, Am Hubland, 97074 Würzburg, Germany