1. Toray Research Center; Otsu Shiga 520-8567 Japan
2. Institute of Physics; University of Rostock; 18059 Germany
3. Competence Centre CALOR, Faculty of Interdisciplinary Research; University of Rostock; 18059 Germany
4. Graduate School of Integrated Arts and Sciences; Hiroshima University; Higashi-Hiroshima 739-8521 Japan
5. Center of Engineering Sciences; Martin Luther University Halle-Wittenberg; 06099 Germany