Donor multiple effects on the ferroelectric and piezoelectric performance of lead-free BiFeO3-BaTiO3 ceramics

Muhammad Habib,Fazli Akram,Pervaiz Ahmad,F. F. Al-Harbi,Israf Ud Din,Qamar Iqbal,Tauseef Ahmed,Salman Ali Khan,Ali Hussain,Tae-Kwon Song,Myong-Ho Kim,Soonil Lee

Materials Letters（2022）

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摘要

•Large d33 = 285 pC/N and high TC = 473 °C were achieved simultaneously.•A large d33* ≈ 400 pm/V was obtained at a very low electric field of 25 kV/cm.•Temperature stability, ΔS = 25% in d33* shows significant progress Pb-free ceramics.•Small strain hysteresis, HS = 20% have a high potential for piezoelectric actuators.

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关键词

Lead-free piezoceramics,Donor-doping,BiFeO3-BaTiO3,Piezoelectrics,Ferroelectrics

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