Improved Electrical Properties of Nd-Substituted SrBi4Ti4O15  Ferroelectric Ceramics

Shan-Tao ZHANG; Hong-Wei CHENG; Yan-Feng CHEN; Peng BAO; Zhi-Guo LIU; Nai-Ben MING

doi:10.14852/jcersjsuppl.112.0.S1108.0

Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim5 Special Issue

Session ID : 15

DOI https://doi.org/10.14852/jcersjsuppl.112.0.S1108.0

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Host: The Ceramic Society of Japan

Co-host: Iketani Science and Technology Foundation, International Ceramic Federation, Commemorative Organization for the Japan World Exposition '70, The American Ceramic Society, The Australasian Ceramic Society, The Chinese Ceramic Society, The Korean Ceramic Society, Joint Research Consortium of Synergy Ceramics/Fine Ceramics Research Association, Nanotechnology Researchers Network Center of Japan, The Special Coordination Funds for Promoting Science and Technology, Japan National Tourist Organization, Aichi Prefectural Government, CASIO SCIENCE PROMOTION FOUNDATION, DAIKO FOUNDATION, Nagoya Convention and Visitors Bureau, The Asahi Glass Foundation, The Kao Foundation For Arts And Sciences, The Murata Science Foundation, The Ogasawara Foundation for the Promotion of Science & Engineering, ASAHI GLASS CO., LTD. Research Center, CENTRAL GLASS CO., LTD., ELECTRIC GLASS INDUSTRY ASSOCIATION OF JAPAN (EGAJ), Hattori Company, Ltd., Hitachi Research Laboratory, Hitachi, Ltd., HOYA CORPORATION, INAX Corporation, ITOCHU CERATECH CORP., Japan Cement Association, KYOCERA Corporation, KYUSHU REFRACTORIES CO., LTD., MINO CERAMIC CO., LTD., Murata Manufacturing Co., Ltd., NGK INSULATORS LTD., NGK SPARK PLUG CO., LTD., NICHIAS Corporation, NIKKO COMPANY, Nippon Electric Glass Co., Ltd., Nippon Sheet Glass Co., Ltd., NORITAKE CO., LIMITED, Tokuyama Corporation, TOTO LTD.

Papers

Improved Electrical Properties of Nd-Substituted SrBi₄Ti₄O₁₅ Ferroelectric Ceramics

Shan-Tao ZHANG, Hong-Wei CHENG, Yan-Feng CHEN, Peng BAO, Zhi-Guo LIU, Nai-Ben MING

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Keywords: Nd-substitution, Ferroelectric properties, Ceramics

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Abstract

Bi-layered oxides SrBi₄Ti₄O₁₅(SBTi) and Nd-substituted SrBi₄Ti₄O₁₅(SBNTi) ferroelectric ceramics were prepared by solid-state reaction methods. At an applied field of 200 kV/cm, the remnant polarization and coercive field (2P_r, E_c) of the SBNTi and SBTi ceramics were (21.1 μC/cm², 101.4 kV/cm) and (10.9 μC/cm², 82.9 kV/cm), respectively, showing a significantly increase of P_r. Both ceramics demonstrated fatigue-free properties up to 1.44×10¹⁰ cycles. The improved temperature-independent dielectric constant and dissipation factor (ε, tan δ) of the SBNTi ceramics than the SBTi ones were also demonstrated experimentally These results provide some guideline to search for new material with large P_r, high T_c, fatigue-free characteristics, and high resistivity.

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