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 …

Understanding, predicting, and designing ferroelectric domain structures and switching guided by the phase-field method

JJ Wang, B Wang, LQ Chen - Annual Review of Materials …, 2019 - annualreviews.org
Understanding mesoscale ferroelectric domain structures and their switching behavior
under external fields is critical to applications of ferroelectrics. The phase-field method has …

Phase transition enhanced superior elasticity in freestanding single-crystalline multiferroic BiFeO3 membranes

B Peng, RC Peng, YQ Zhang, G Dong, Z Zhou… - Science …, 2020 - science.org
The integration of ferroic oxide thin films into advanced flexible electronics will bring
multifunctionality beyond organic and metallic materials. However, it is challenging to …

Ultralow tip‐force driven sizable‐area domain manipulation through transverse flexoelectricity

Y Lun, X Wang, J Kang, Q Ren, T Wang… - Advanced …, 2023 - Wiley Online Library
Deterministic control of ferroelectric domain is critical in the ferroelectric functional
electronics. Ferroelectric polarization can be manipulated mechanically with a nano‐tip …

Selective control of multiple ferroelectric switching pathways using a trailing flexoelectric field

SM Park, B Wang, S Das, SC Chae, JS Chung… - Nature …, 2018 - nature.com
Flexoelectricity is an electromechanical coupling between electrical polarization and a strain
gradient that enables mechanical manipulation of polarization without applying an electrical …

Quantification of flexoelectricity in PbTiO3/SrTiO3 superlattice polar vortices using machine learning and phase-field modeling

Q Li, CT Nelson, SL Hsu, AR Damodaran, LL Li… - Nature …, 2017 - nature.com
Flexoelectricity refers to electric polarization generated by heterogeneous mechanical
strains, namely strain gradients, in materials of arbitrary crystal symmetries. Despite more …

Controlled manipulation of oxygen vacancies using nanoscale flexoelectricity

S Das, B Wang, Y Cao, M Rae Cho, Y Jae Shin… - Nature …, 2017 - nature.com
Oxygen vacancies, especially their distribution, are directly coupled to the electromagnetic
properties of oxides and related emergent functionalities that have implications for device …

Real-time studies of ferroelectric domain switching: a review

L Li, L Xie, X Pan - Reports on Progress in Physics, 2019 - iopscience.iop.org
Ferroelectric materials have been utilized in a broad range of electronic, optical, and
electromechanical applications and hold the promise for the design of future high-density …

Bend-Induced Ferroelectric Domain Walls in α-In2Se3

E Han, SM Nahid, T Rakib, G Nolan, PF Ferrari… - ACS …, 2023 - ACS Publications
The low bending stiffness of atomic membranes from van der Waals ferroelectrics such as α-
In2Se3 allow access to a regime of strong coupling between electrical polarization and …

Mixed finite elements for flexoelectric solids

F Deng, Q Deng, W Yu, S Shen - Journal of Applied …, 2017 - asmedigitalcollection.asme.org
Flexoelectricity (FE) refers to the two-way coupling between strain gradients and the electric
field in dielectric materials, and is universal compared to piezoelectricity, which is restricted …