1. Nagoya Institute of Technology, Advanced Ceramics Research Center10-6-29 AsahigaokaTajimi 507-0071Japan
2. Shinkosha Co., Ltd.2-4-7 Kosugaya, Sakae-kuYokohama 247-0007Japan
3. Nagoya Institute of Technology, Department of Materials Science and EngineeringGokiso-cho, Showa-kuNagoya 466-8555Japan