Flexoelectricity in solids: Progress, challenges, and perspectives

B Wang, Y Gu, S Zhang, LQ Chen - Progress in Materials Science, 2019 - Elsevier
The flexoelectricity describes the contribution of the linear couplings between the electric
polarization and strain gradient and between polarization gradient and strain to the …

[HTML][HTML] Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials

A Bencan, E Oveisi, S Hashemizadeh… - Nature …, 2021 - nature.com
The nature of the “forbidden” local-and long-range polar order in nominally non-polar
paraelectric phases of ferroelectric materials has been an open question since the discovery …

Piezoelectricity in nominally centrosymmetric phases

O Aktas, M Kangama, G Linyu, G Catalan, X Ding… - Physical Review …, 2021 - APS
Compound phases often display properties that are symmetry forbidden relative to their
nominal, average crystallographic symmetry, even if extrinsic reasons (defects, strain, or …

Probing the dynamic response of ferroelectric and ferroelastic materials by simultaneous detection of elastic and piezoelectric properties

O Aktas, M Kangama, G Linyu, X Ding… - Journal of Alloys and …, 2022 - Elsevier
Abstract Domain walls and precursors in ferroelectric and ferroelastic materials are of great
importance for the optimization of ferroic devices and novel paradigms for domain switching …

Effect of thermal depolarization on the poling‐induced domain texture and piezoelectric properties in Mg‐doped NBT‐6BT

L Cangini, A Wohninsland, D Bremecker… - Journal of the …, 2023 - Wiley Online Library
Abstract Recently, poled Na0. 50Bi0. 50TiO3‐BaTiO3 (NBT‐BT)‐based polycrystalline
materials have been characterized as possessing a high degree of poling‐induced domain …

Dielectric and electro-mechanic nonlinearities in perovskite oxide ferroelectrics, relaxors, and relaxor ferroelectrics

LM Riemer, L Jin, H Uršič, M Otonicar, T Rojac… - Journal of Applied …, 2021 - pubs.aip.org
The polarization and strain response of ferroelectric materials at electric fields below the
macroscopic coercive field is of paramount importance for the operation of many electronic …

Piezoelectricity and electrostriction in ferroelastic materials with polar twin boundaries and domain junctions

G Lu, S Li, X Ding, EKH Salje - Applied Physics Letters, 2019 - pubs.aip.org
Weak piezoelectricity, compared with electrostriction, occurs in twinned ferroelastic materials
even when the uniform bulk material is centro-symmetric. In a simple computer simulation …

Domain wall generated polarity in ferroelastics: Results from resonance piezoelectric spectroscopy, piezoelectric force microscopy, and optical second harmonic …

H Yokota, CRS Haines, S Matsumoto, N Hasegawa… - Physical Review B, 2020 - APS
Ferroelastic La Al O 3 (space group R 3¯ c) exists with two different microstructures: twins
and tweed. Both microstructures contain electrical dipole moments. Polarity inside …

Enhanced piezoelectricity in twinned ferroelastics with nanocavities

G Lu, S Li, X Ding, J Sun, EKH Salje - Physical Review Materials, 2020 - APS
Enhancing the electromechanical response by engineering domain boundaries in
multiferroics has become a highly active research field in recent years. The starting point is …

Hyper-Raman scattering from the LO modes of perovskite ferroelectric relaxors

A Al-Zein, B Hehlen - Physical Review B, 2024 - APS
Hyper-Raman scattering is used to study the temperature dependence of the longitudinal
optic (LO) modes of three prototypical ferroelectric relaxors in a broad temperature range …