Abstract
Single crystals of ferroelectric (Bi0.5Na0.5)TiO3 were successfully grown by using the top-seeded solution growth method at a high oxygen pressure of 0.9 MPa and their polarization switching dynamics along the 〈100〉 c direction and their domain structures were investigated. Piezoelectric force microscope (PFM) observations show that BNT crystals poled along the 〈100〉 c direction. had 71-degree domains in which the spontaneous polarization (P s ) vector was opposite to the direction of the poling electric field. Synchrotron-radiation single-crystal X-ray diffraction analyses and PFM observations revealed that the polarization switching in the BNT crystals along the 〈100〉 c direction was achieved by a 71-degree rotation of the P s vector.
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Yanai, K., Onozuka, H., Kitanaka, Y. et al. Polarization-switching dynamics and microstructures of ferroelectric (Bi0.5Na0.5)TiO3 single crystals. Journal of the Korean Physical Society 62, 1035–1040 (2013). https://doi.org/10.3938/jkps.62.1035
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DOI: https://doi.org/10.3938/jkps.62.1035