1. Faculty of Chemistry and Food Chemistry Technische Universität Dresden 01062 Dresden Germany
2. Central Department of Physics Tribhuvan University Kirtipur, Kathmandu Nepal
3. Leibniz IFW Dresden 01069 Dresden Germany
4. Dresden Center for Computational Materials Science (DCMS) Technische Universität Dresden 01062 Dresden Germany
5. Institute of Physics Technische Universität Chemnitz 09126 Chemnitz Germany
6. Max Planck Institute for Chemical Physics of Solids 01187 Dresden Germany