Local structural heterogeneity induced large flexoelectricity in Sm-doped PMN–PT ceramics

Z Yu, Z Wang, S Shu, T Tian, W Huang, C Li… - Journal of Applied …, 2021 - pubs.aip.org
The recently discovered large flexoelectricity in relaxor ferroelectrics has rekindled
considerable research interest. In this paper, several Sm-doped Pb (Mg 2/3 Nb 1/3) O 3 …

The effect of porosity on flexoelectricity in 3D printed aluminum/polyvinylidene fluoride composites

TA Hafner, M Örnek, DN Collard, MW Paral… - Journal of Applied …, 2023 - pubs.aip.org
We investigated the relationship between porosity and flexoelectricity for aluminum
(Al)/polyvinylidene fluoride (PVDF) composites. Neat PVDF, composites of micron aluminum …

Enhanced flexoelectricity with pre-strain gradients

K Liu, S Shao, H Ji, T Wu, S Shen, S Zhang… - Applied Physics …, 2022 - pubs.aip.org
Flexoelectricity describes a strain-gradient-induced electrical polarization in dielectric
materials. Compared with piezoelectricity, flexoelectricity has some advantages in size …

Mechanical tunability of flexoelectricity in elastomers

H Ji, S Shao, K Liu, H Shang, Y Zhu, T Wu… - Applied Physics …, 2021 - pubs.aip.org
As a strain-gradient-induced electric polarization, flexoelectricity in dielectric materials is
benefiting from its size effect and manipulating strain gradients. Dielectric elastomers (DE) …

The flexoelectric properties of various polymers and energetic composites

TA Hafner, M Örnek, C Costello, CTV Nunes… - Applied Physics …, 2024 - pubs.aip.org
Electroactivity of polymers used in energetic materials may result in charge separation that
could result in safety concerns (unintentional ignition) or be exploited for multifunctional …

[HTML][HTML] Mechanical design of uniform strain-gradient schemes for transverse and longitudinal flexoelectricity

K Liu, H Ji, T Wu, S Shen, S Zhang, M Xu - International Journal of Solids …, 2022 - Elsevier
Flexoelectricity is an electro-mechanical coupling effect in which dielectric materials polarize
in response to deformation gradients. Typical models—including bending beams …