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  • Flexoelectric Effect in the...
    Jeon, Byung Chul; Lee, Daesu; Lee, Myang Hwan; Yang, Sang Mo; Chae, Seung Chul; Song, Tae Kwon; Bu, Sang Don; Chung, Jin-Seok; Yoon, Jong-Gul; Noh, Tae Won

    Advanced materials (Weinheim), October 18, 2013, Volume: 25, Issue: 39
    Journal Article

    Flexoelectricity can play an important role in the reversal of the self‐polarization direction in epitaxial BiFeO3 thin films. The flexoelectric and interfacial effects compete with each other to determine the self‐polarization state. In Region I, the self‐polarization is downward because the interfacial effect is more dominant than the flexoelectric effect. In Region II, the self‐polarization is upward, because the flexoelectric effect becomes more dominant than the interfacial effect.