1. Innovative Functional Materials Research Institute, National Institute of Advanced Industrial Science and Technology, 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-8560, Japan
2. Osaka Organic Chemical Industry Ltd., 1-7-20 Azuchi-machi, Chuo-ku, Osaka 541-0052, Japan
3. Department of Electronic Engineering, Kobe City College of Technology, 8-3 Gakuen-higashi, Nishi-ku, Kobe 651-2194, Japan