1. R&D Center, Sony Group Corporation, 4-14-1 Asahi-cho, Atsugi, Kanagawa 243-0014, Japan
2. Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University (Present name: Osaka Metropolitan University), Sakai, Osaka 599-8531, Japan
3. JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan