Antiferroelectric-to-ferroelectric phase-switching lead lanthanum zirconite stannate titanate (PLZST) ceramics

Shoko Yoshikawa; Kelley McNeal; Seung Eek Eagle Park; Ming-Jen Pan; Leslie Eric Cross

doi:10.1117/12.267104

14 February 1997 Antiferroelectric-to-ferroelectric phase-switching lead lanthanum zirconite stannate titanate (PLZST) ceramics

Shoko Yoshikawa, Kelley McNeal, Seung Eek Eagle Park, Ming-Jen Pan, Leslie Eric Cross

Author Affiliations +

Proceedings Volume 3040, Smart Structures and Materials 1997: Smart Materials Technologies; (1997) https://doi.org/10.1117/12.267104
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

Electric field induced antiferroelectric (AFE) to ferroelectric (FE) phase transformations are accompanied by large strain and significant hysteresis. The properties of these materials can be tailored to fit specific applications such as high strain actuators and charge capacitors. As an attempt to reduced hysteresis, Barium and Strontium A-site substitution of the phase transformation behavior of (Pb_0.98-(delta )La_0.02A_(delta )) (Zr_xSn_yTi_z)O₃ (A equals Ba, Sr) ceramics have been investigated. The ceramic samples in this study produced 0.2% to 0.3% strain level. Barium proved to be a strong FE stabilizer with decreasing both switching field and hysteresis, while Strontium proved to be a strong AFE stabilizer. Some practical data, including temperature stability and current requirements, are also to be discussed.

Citation Download Citation

Shoko Yoshikawa, Kelley McNeal, Seung Eek Eagle Park, Ming-Jen Pan, and Leslie Eric Cross "Antiferroelectric-to-ferroelectric phase-switching lead lanthanum zirconite stannate titanate (PLZST) ceramics", Proc. SPIE 3040, Smart Structures and Materials 1997: Smart Materials Technologies, (14 February 1997); https://doi.org/10.1117/12.267104

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