Deciphering the Effect of Defect Dipoles on the Polarization and Electrostrain Behavior in Perovskite Ferroelectrics

G Huangfu, J Wang, H Zhang, J Chen, Z Liu, Y Guo - Nano Letters, 2024 - ACS Publications
Defect dipoles are crucial for regulating electromechanical properties in piezoelectric
ceramics, but their effects on polarization and electrostrain behaviors are still unclear. Here …

Superior Large-Signal Piezoelectric Coefficient in Textured NBT-Based Piezoceramics by Template-Induced Structure and Composition Modulation

K Liu, W Ma, N Ben, H Zhu, W Xu, H Gao… - … Applied Materials & …, 2023 - ACS Publications
The field-induced-phase transition in (Na1/2Bi1/2) TiO3-based lead-free piezoceramics can
be facilitated in the⟨ 001⟩-crystallographic orientation, and the templated grain growth is an …

Ferroelectric–Ferroelastic Transitions in (Na0.5Bi0.5)TiO3-BaTiO3 Single Crystals

G Huangfu, J Chen, J Jiao, Y Guo… - ACS Applied Materials & …, 2023 - ACS Publications
The comprehensive understanding of (Na0. 5Bi0. 5) TiO3-BaTiO3 (NBT-BT) lattice structure
is highly desired to develop lead-free ferroelectric materials. However, most of the previous …

Investigation of AC Poling for PZT/PZT Sol-Gel Composite

R Ono, M Kobayashi - 2024 IEEE Ultrasonics, Ferroelectrics …, 2024 - ieeexplore.ieee.org
Conventionally, corona discharge poling has been used to polarize porous sol-gel
composites, but there are problems with the uniformity of the polarization. In this study, we …