1. Department of ChemistryUniversity of Munich (LMU) Butenandtstrasse 5–13 81377 Munich Germany
2. Deutsches Elektronen-Synchrotron (DESY) 22607 Hamburg Germany
3. Bayerisches Geoinstitut (BGI)University of Bayreuth 95440 Bayreuth Germany
4. Material Physics and Technology at Extreme ConditionsUniversity of Bayreuth 95440 Bayreuth Germany