Recent progress on topological structures in ferroic thin films and heterostructures

S Chen, S Yuan, Z Hou, Y Tang, J Zhang… - Advanced …, 2021 - Wiley Online Library
Topological spin/polarization structures in ferroic materials continue to draw great attention
as a result of their fascinating physical behaviors and promising applications in the field of …

Advantages and developments of Raman spectroscopy for electroceramics

M Deluca, H Hu, MN Popov, J Spitaler… - Communications …, 2023 - nature.com
Despite being applied with success in many fields of materials science, Raman
spectroscopy is not yet determinant in the study of electroceramics. Recent experimental …

Engineering of atomic-scale flexoelectricity at grain boundaries

M Wu, X Zhang, X Li, K Qu, Y Sun, B Han, R Zhu… - Nature …, 2022 - nature.com
Flexoelectricity is a type of ubiquitous and prominent electromechanical coupling, pertaining
to the electrical polarization response to mechanical strain gradients that is not restricted by …

Flexopiezoelectricity at ferroelastic domain walls in WO3 films

S Yun, K Song, K Chu, SY Hwang, GY Kim… - Nature …, 2020 - nature.com
The emergence of a domain wall property that is forbidden by symmetry in bulk can offer
unforeseen opportunities for nanoscale low-dimensional functionalities in ferroic materials …

Flexoelectricity and the polarity of complex ferroelastic twin patterns

EKH Salje, S Li, M Stengel, P Gumbsch, X Ding - Physical Review B, 2016 - APS
We study, by means of an atomistic toy model, the interplay of ferroelastic twin patterns and
electrical polarization. Our molecular dynamics simulations reproduce polarity in straight …

Mild and wild ferroelectrics and their potential role in neuromorphic computation

EKH Salje - APL Materials, 2021 - pubs.aip.org
In this Perspective, two interrelated new developments are discussed. The first relates to a
much better understanding of the actual movement of domain walls during switching …

Crackling noise and avalanches in minerals

EKH Salje, X Jiang - Physics and Chemistry of Minerals, 2021 - Springer
The non-smooth, jerky movements of microstructures under external forcing in minerals are
explained by avalanche theory in this review. External stress or internal deformations by …

Ferroelastic domain walls as templates for multiferroic devices

EKH Salje - Journal of Applied Physics, 2020 - pubs.aip.org
Ferroelastic domain walls are typically twin interfaces. They contain a multitude of emerging
properties, including (super-) conductivity, polarity, optically activity, and photovoltaic …

Ultrafast Switching in Avalanche‐Driven Ferroelectrics by Supersonic Kink Movements

EKH Salje, X Wang, X Ding… - Advanced Functional …, 2017 - Wiley Online Library
Devices operating at GHz frequencies can be based on ferroelectric kink‐domains moving
at supersonic speed. The kinks are located inside ferroelastic twin boundaries and are …

[HTML][HTML] Superdomain dynamics in ferroelectric-ferroelastic films: switching, jamming, and relaxation

JF Scott, A Hershkovitz, Y Ivry, H Lu… - Applied Physics …, 2017 - pubs.aip.org
Recent experimental work shows that ferroelectric switching can occur in large jumps in
which ferroelastic superdomains switch together, rather than having the numerous smaller …