The flexoelectricity describes the contribution of the linear couplings between the electric
polarization and strain gradient and between polarization gradient and strain to the …

Over the last 30 years, the study of ferroelectric oxides has been revolutionized by the
implementation of epitaxial‐thin‐film‐based studies, which have driven many advances in …

Relaxor ferroelectric (RFE) films are promising energy-storage candidates for miniaturizing
high-power electronic systems, which is credited to their high energy density (U e) and …

Interface engineering by local polarization using piezoelectric,,–, pyroelectric, and
ferroelectric,–effects has attracted considerable attention as a promising approach for …

All dielectric materials including ceramics, semiconductors, biomaterials, and polymers have
the property of flexoelectricity, which opens a fertile avenue to sensing, actuation, and …

Ferroelectrics are usually inflexible oxides that undergo brittle deformation. We synthesized
freestanding single-crystalline ferroelectric barium titanate (BaTiO3) membranes with a …

It is highly desirable to discover photovoltaic mechanisms that enable enhanced efficiency of
solar cells. Here we report that the bulk photovoltaic effect, which is free from the …

Interfaces in heterostructures have been a key point of interest in condensed-matter physics
for decades owing to a plethora of distinctive phenomena—such as rectification, the …

The universal flexoelectric effect in solids provides a mechanical pathway for controlling
electric polarization in ultrathin ferroelectrics, eliminating potential material breakdown from …

Intriguing topological polar structures in oxide nanofilms have drawn growing attention
owing to their immense potential applications in nanoscale electronic devices. Here, we …