1. Bayerisches Geoinstitut University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany
2. Chair of Inorganic Solid‐State Chemistry Department of Chemistry University of Munich (LMU) Butenandtstr. 5‐13 (D) 81377 Munich Germany
3. BAM Federal Institute of Materials Research and Testing Richard‐Willstätter Str. 11 12489 Berlin Germany
4. FS‐PE DESY Notkestraße 85 22607 Hamburg Germany
5. Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth Universitätstraße 30 95440 Bayreuth Germany