High piezoelectricity and low strain hysteresis in PMN–PT-based piezoelectric ceramics

• DOI: 10.26599/jac.2023.9220720
• Publication Date: 2023-02-16T09:59:29Z
• Authors: Jiajia Wang; Shuhao Wang; Xiang Li; Ling Li; Zhen Liu; Ji Zhang; Yaojin Wang
• Keywords: Hysteresis; Strain (injury)

High piezoelectric properties and low strain hysteresis (<i>H</i>) are both equally necessary for practical applications in precisely controlled devices systems. Unlike most of previous reports, where enhanced performance is typically accompanied by large lead-/lead-free-based ceramics, this work, we report a reconstructed relaxor ferroelectric composition 0.68Pb(Mg_1/3Nb_2/3)O₃–0.32PbTiO₃ (0.68PMN–0.32PT) ceramics through the introduction (Bi_0.5Na_0.5)ZrO₃ (BNZ) to simultaneously achieve (~7.68%), superior piezoelectricity (~1040 pC·N⁻¹), an electric field induced 0.175%. Our work not only paves way negligible ceramic systems, but also lays foundation further development novel functional materials.