Affiliation: | 1. Department of Physics and Electronics, Osaka Prefecture University, 1–1 Gakuen‐cho, Naka‐ku, Sakai 599–8531 (Japan);2. The Research Institute for Molecular Electronic Devices, Osaka Prefecture University, 1–1 Gakuen‐cho, Naka‐ku, Sakai 599–8531 (Japan);3. Technology Research Institute of Osaka Prefecture, 2–7‐1 Ayumino, Izumi, Osaka 594–1157 (Japan);4. Osaka Municipal Technical Research Institute, 1–6‐50 Morinomiya, Joto‐ku, Osaka 536–8533 (Japan) |