1. Institute of Nanotechnology Karlsruhe Institute of Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
2. Facultad de Ingeniería Universidad Nacional de Colombia Av. Cra. 30 # 45‐03, Ed. 407, Ciudad Universitaria Bogotá DC 111321 Colombia
3. Joint Research Laboratory Nanomaterials Technische Universität Darmstadt Otto‐Berndt‐Str. 3 64206 Darmstadt Germany
4. Institute of Theoretical Informatics Karlsruhe Institute of Technology Am Fasanengarten 5 76131 Karlsruhe Germany