Institution: | 1. Department of Physics, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5;2. Solid State Physics Department, Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, 30-059 Kraków, Poland;3. Department of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, South Korea;1. Physik Department, Technische Universität München, D-85747, Garching, Germany;2. Heinz Maier-Leibnitz Zentrum (MLZ), Technische Universität München, D-85748, Garching, Germany;3. Max-Planck Institut für die chemische Physik fester Stoffe (MPI CPFS), D-01187, Dresden, Germany;4. Fakultät für Chemie, Technische Universität München, D-85747, Garching, Germany;1. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, 50-950 Wroc?aw 2, Poland;2. Centre for Advanced Materials and Smart Structures, Polish Academy of Sciences, Okølna 2, 50-422 Wroc?aw, Poland |