Journal of Inorganic Materials, Volume. 38, Issue 12, 1420(2023)

Enhanced Resistivity Induced by the Second Phase with Layered Structure in BiFeO3-BaTiO3 Ceramics

Wenshuo KANG1...2, Xiaojie GUO1,2, Kai ZOU1,2, Xiangyong ZHAO3, Zhiyong ZHOU1 and Ruihong LIANG1,* |Show fewer author(s)
Author Affiliations
  • 11. Key Laboratory of Inorganic Functional Materials and Devices, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 22. University of Chinese Academy of Sciences, Beijing 100049, China
  • 33. Key Laboratory of Optoelectronic Material and Device, Shanghai Normal University, Shanghai 200234, China
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    Figures & Tables(7)
    XRD patterns of sintered (1−x)BF-xBT samples in the range of 2θ=15°-80° (a) and the magnified image at 2θ=39° (b)
    Backscattered electron images of the cross-section for (1−x)BF-xBT ceramics (a-d), polished surface image for x=0.10 composition (e), and EDS mapping of Bi (f) and Fe (g)
    DC resistivity versus temperature of (1−x)BF-xBT ceramics (a), Nyquist plots at 300 ℃ (b), and grain boundary resistivity obtained from fitting Cole-Cole plots of x=0.10 composition (c)
    Modulus plots versus temperature for x=0.10 composition (a), and capacitance values extracted from modulus peaks at different temperatures (b)
    TEM image (a), selected-area electron diffraction (b) and high-resolution TEM image (c) at [111] of second phase, and high-angle annular dark-field images in [111] zone axis (d, e) with illustration in (e) showing intensity plot of atoms in green box
    Resistivity simulation of the BF-BT composite ceramic at 300 ℃ (a), schematic diagram describing carrier migration (b), and Schottky barrier model (c)
    Backscatter morphologies of the polished 0.70BF-0.30BT pure component sample (a) and the sample modified with the second phase (b), resistivities of two samples versus temperature (c), and summary results of the resistivities of 0.70BF-0.30BT at 300 ℃ reported in the literatures (d)
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    Wenshuo KANG, Xiaojie GUO, Kai ZOU, Xiangyong ZHAO, Zhiyong ZHOU, Ruihong LIANG. Enhanced Resistivity Induced by the Second Phase with Layered Structure in BiFeO3-BaTiO3 Ceramics [J]. Journal of Inorganic Materials, 2023, 38(12): 1420

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    Paper Information

    Category:

    Received: Apr. 6, 2023

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: LIANG Ruihong (liangruihong@mail.sic.ac.cn)

    DOI:10.15541/jim20230167

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