Institution: | 1. II. Institute of Physics, University of Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany;2. Institute for Solid State Physics, University of Jena, Max-Wien-Platz 1, 07743 Jena, Germany;3. IV. Institute of Physics, University of Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany |