*Yusuke Wakabayashi1,2, Masato Anada1,3, Satoshi Sakaguchi3, Kazuki Nagai1,3, Miho Kitamura4, Koji Horiba4, Hiroshi Kumigashira5,2
(1. Graduate School of Science, Tohoku Univ. (Japan), 2. Materials Res. Center for Element Strategy, Tokyo Institute of Tech. (Japan), 3. Graduate School of Eng. Sci., Osaka Univ. (Japan), 4. Institute of Materials Structure Science, KEK (Japan), 5. Institute of Multidisciplinary Research for Advanced Materials, Tohoku Univ. (Japan))
Keywords:Perovskite oxide, interface, structure, valence