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 …

Flexoelectric effect in solids

P Zubko, G Catalan… - Annual Review of Materials …, 2013 - annualreviews.org
Flexoelectricity—the coupling between polarization and strain gradients—is a universal
effect allowed by symmetry in all materials. Following its discovery several decades ago …

A flexoelectricity-enabled ultrahigh piezoelectric effect of a polymeric composite foam as a strain-gradient electric generator

D Yan, J Wang, J **ang, Y **ng, LH Shao - Science Advances, 2023 - science.org
All dielectric materials including ceramics, semiconductors, biomaterials, and polymers have
the property of flexoelectricity, which opens a fertile avenue to sensing, actuation, and …

Fundamentals of flexoelectricity in solids

PV Yudin, AK Tagantsev - Nanotechnology, 2013 - iopscience.iop.org
The flexoelectric effect is the response of electric polarization to a mechanical strain
gradient. It can be viewed as a higher-order effect with respect to piezoelectricity, which is …

Nanoscale flexoelectricity

TD Nguyen, S Mao, YW Yeh, PK Purohit… - Advanced …, 2013 - Wiley Online Library
Electromechanical effects are ubiquitous in biological and materials systems. Understanding
the fundamentals of these coupling phenomena is critical to devising next‐generation …

[HTML][HTML] Nanoscale flexoelectric energy harvesting

Q Deng, M Kammoun, A Erturk, P Sharma - International Journal of Solids …, 2014 - Elsevier
One of the most tantalizing applications of piezoelectricity is to harvest energy from ambient
mechanical vibrations for powering micro and nano devices. However, piezoelectricity is …

Piezoelectric nanogenerators—Harvesting ambient mechanical energy at the nanometer scale

X Wang - Nano Energy, 2012 - Elsevier
Harvesting ambient mechanical energy at the nanometer scale holds great promises for
powering small electronics and achieving self-powered electronic devices. The self …

Flexoelectricity in bones

F Vasquez‐Sancho, A Abdollahi… - Advanced …, 2018 - Wiley Online Library
Bones generate electricity under pressure, and this electromechanical behavior is thought to
be essential for bone's self‐repair and remodeling properties. The origin of this response is …

Strain-Gradient-Induced Polarization in Single Crystals

P Zubko, G Catalan, A Buckley, PRL Welche… - Physical Review Letters, 2007 - APS
Piezoelectricity is inherent only in noncentrosymmetric materials, but a piezoelectric
response can also be obtained in centrosymmetric crystals if subjected to inhomogeneous …

A theory of flexoelectricity with surface effect for elastic dielectrics

S Shen, S Hu - Journal of the Mechanics and Physics of Solids, 2010 - Elsevier
The flexoelectric effect is very strong for nanosized dielectrics. Moreover, on the nanoscale,
surface effects and the electrostatic force cannot be ignored. In this paper, an electric …