新規(Bi0.5Na0.5)TiO3系単結晶の育成と強誘電・圧電特性評価

大島 有美子; 鈴木 宗泰; 北中 佑樹; 野口 祐二; 宮山 勝

doi:10.14853/pcersj.2008S.0.2P022.0

Annual Meeting of The Ceramic Society of Japan, 2008

Session ID : 2P022

DOI https://doi.org/10.14853/pcersj.2008S.0.2P022.0

Conference information

Host: The Ceramic Society of Japan

Ferroelectric/piezoelectric properties of novel (Bi0.5Na0.5)TiO3-based single crystals

*Yumiko Oshima, Muneyasu Suzuki, Yuuki Kitanaka, Yuji Noguchi, Masaru Miyayama

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Keywords: ferroelectrics, piezoelectrics, bismuth sodium titanate, hysteresis, leak current density, novel

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

We have investigated the ferroelectric/piezoelectric properties of novel (Bi0.5Na0.5)TiO3-based solid-solution single crystals.Ceramics and single crystals of (Bi0.5Na0.5)TiO3-Bi(Zn0.5Ti0.5)O3 (BNT-BZT) were successfully obtained by a flux method, and their polarization/piezoelectric properties were investigated along [100]Cubic at 25oC. BNT-BZT crystals showed a clear piezoelectric butterfly loop with a strain maximum / electric-field maximum (Smax/Emax) of 136 pm/V. These results suggest that BZT act as an effective end member of the solid solution with BNT.

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