H. Ebert², E. Zallo^1,‡, and J. J. Finley¹

• ¹Walter-Schottky-Institut and TUM School of Natural Sciences, Technische Universität München, Am Coulombwall 4, 85748 Garching, Germany
• ²Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstrasse 5-13, 81377 München, Germany
• ³Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
• ⁴School of Materials Science and Engineering, Jilin University, Changchun, 130012 China
• ⁵Institute of Physics and Astronomy, Technical University Berlin, Hardenbergstrasse 36, 10623 Berlin, Germany

• ^*Contact author: michele.bissolo@tum.de
• ^†Present address: Max Planck Institute for Chemical Physics of Solids, Nöthnitzer Str. 40, 01187 Dresden, Germany.
• ^‡Contact author: eugenio.zallo@tum.de