Domains in ferroelectrics were considered to be well understood by the middle of the last
century: They were generally rectilinear, and their walls were Ising-like. Their simplicity …

Ferroelectricity in finite-dimensional systems continues to arouse interest, motivated by
predictions of vortex polarization states and the utility of ferroelectric nanomaterials in …

Metal halide perovskites (MHPs) have been shown to be key materials for next‐generation
photovoltaic energy harvesting, electro‐optic detection, and all‐optical conversion. Room …

We present ab initio calculations of the longitudinal flexoelectricity for BaTiO 3 and SrTiO 3
using a direct approach. The calculated value for SrTiO 3 agrees with recently reported …

At the ferroelectric surface, the broken translational symmetry induced bound charge should
significantly alter the local atomic configurations. Experimentally revealing the atomic …

A surface layer (“skin”) different from the bulk was found in single crystals of BiFeO 3.
Impedance analysis and grazing incidence x-ray diffraction reveal a phase transition at T*∼ …

Very sensitive responses to external forces are found near phase transitions. However,
transition dynamics and preequilibrium phenomena are difficult to detect and control. We …

Ferroelectrics, due to their polar nature and reversible switching, can be used to dynamically
control surface chemistry for catalysis, chemical switching, and other applications such as …

Kinks interact with other kinks and antikinks elastically in ferroelastic domain walls and other
interfaces in ferroic materials. In thin samples, suitable for transmission electron-microscopy …

Metals exhibit a size-dependent hardening when subject to indentation. Mechanisms for this
phenomenon have been intensely researched in recent times. Does such a size effect also …