Gradient oxygen vacancies driving heterogeneous domain switching and bending deformation in lead-free piezoceramics
Jianhui Jia, Pengrong Ren, Kexuan Zhao, Wenchao Lin, Wenjing Qiao, Zhiyong Liu, Lang Bian
J. Mater. Sci. Technol. . 2026, (0): 12 -23 .  DOI: 10.1016/j.jmst.2026.01.012