Affiliation: | 1. Institute of Nanotechnology, INT, Karlsruhe Institute of Technology, KIT, P.O. Box 3640, 76021 Karlsruhe, Germany;2. Institute of Nanotechnology, INT, Karlsruhe Institute of Technology, KIT, P.O. Box 3640, 76021 Karlsruhe, Germany Physikalisches Institut, Karlsruhe Institute of Technology, KIT, Wolfgang-Gaede-Strasse 1, 76131 Karlsruhe, Germany |