1. Faculty of Chemistry and Food ChemistryTechnische Universität Dresden Dresden 01062 Germany
2. Institute of Applied PhysicsTechnische Universität Dresden Dresden 01062 Germany
3. Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straße 40 Dresden 01187 Germany
4. ct.qmat–Complexity and Topology in Quantum Matter Cluster of Excellence EXC 2147 Dresden 01069 Germany