DOI: 10.1039/d6ta07446d ISSN: 2050-7488

Pore-mediated multiscale regulation enables decoupled dielectric and piezoelectric responses in PZNNT ceramics

Xiaoying Feng, Jie Xu, Chenhe Xia, Xinyue Tang, Ziyao Wei, Mupeng Zheng, Yudong Hou, Feng Gao

Foam gel-casting constructs 70–90% porous, 3D-interconnected PZNNT ceramics. Air pores reduce ε r , while the continuous skeleton and pore-induced multiscale regulation preserve d 33 , yielding g 33 = 354 × 10 −3 V m N −1 for high-sensitivity sensing.

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