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    Effect of Mn substituents on the domain and local structures of Na1/2Bi1/2TiO3-BaTiO3 single crystals near a morphotropic phase boundary

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    Date
    2011-03-01
    Author
    Yao, Jianjun
    Yang, Yaodong
    Monsegue, Niven
    Li, Yanxi
    Li, Jiefang
    Zhang, Qinhui
    Ge, Wenwei
    Luo, Haosu
    Viehland, Dwight D.
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    Abstract
    The ferroelectric domain and local structures of Na1/2Bi1/2TiO3-x% BaTiO3 (NBT-BT) and 0.14 at. % Mn substituted Na1/2Bi1/2TiO3-x% BaTiO3 (Mn:NBT-BT) single crystals with x=5.5 near a morphotropic phase boundary have been investigated by transmission electron microscopy. Increased ferroelectric ordering and enhanced in-plane octahedral tilting were observed for Mn: NBT-BT compared with NBT-BT. Bragg-filtered lattice images revealed that the size of the in-phase tilt domains of Mn:NBT-BT were on the order of 2 to 8 nm, with a tendency of alignment along {110}. (C) 2011 American Institute of Physics. [doi:10.1063/1.3573801]
    URI
    http://hdl.handle.net/10919/25166
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    • Scholarly Works, Materials Science and Engineering (MSE) [394]

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