Institution: | a Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan b Institut für Physik, Technische Universität Chemnitz, D-09107 Chemnitz, Germany c Research Center for Materials Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan |