Domain-wall engineering and topological defects in ferroelectric and ferroelastic materials

GF Nataf, M Guennou, JM Gregg, D Meier… - Nature Reviews …, 2020 - nature.com
Ferroelectric and ferroelastic domain walls are 2D topological defects with thicknesses
approaching the unit cell level. When this spatial confinement is combined with observations …

Silver niobate perovskites: structure, properties and multifunctional applications

Y Tian, P Song, G Viola, J Shi, J Li, L **… - Journal of Materials …, 2022 - pubs.rsc.org
AgNbO3 exhibits “peculiar” anti-/ferroelectricity and narrow bandgap semi-conductivity that
lead to active responses to different types of external stimuli, including electric fields, light …

Characterization of ferroelectric domain walls by scanning electron microscopy

KA Hunnestad, ED Roede, ATJ van Helvoort… - Journal of Applied …, 2020 - pubs.aip.org
Ferroelectric domain walls are a completely new type of functional interface, which have the
potential to revolutionize nanotechnology. In addition to the emergent phenomena at …

Shedding light on non-Ising polar domain walls: Insight from second harmonic generation microscopy and polarimetry analysis

S Cherifi-Hertel, C Voulot, U Acevedo-Salas… - Journal of Applied …, 2021 - pubs.aip.org
Polar domain walls are currently at the focus of intensive research owing to their unusual
and highly localized functional properties, which bear great potential for technological …

Domain Wall Free Polar Structure Enhanced Photodegradation Activity in Nanoscale Ferroelectric BaxSr1‐xTiO3

Y Wang, M Zhang, J Liu, H Zhang, F Li… - Advanced Energy …, 2020 - Wiley Online Library
Ferroelectric materials exhibit anomalous behavior due to the presence of domains and
domain walls which are related to the spontaneous polarization inherent in the crystal …

Multiferroic heterostructures for spintronics

E Gradauskaite, P Meisenheimer, M Müller… - Physical Sciences …, 2021 - degruyter.com
For next-generation technology, magnetic systems are of interest due to the natural ability to
store information and, through spin transport, propagate this information for logic functions …

Surface charge dynamics on air-exposed ferroelectric Pb (Zr, Ti) O 3 (001) thin films

LE Abramiuc, LC Tănase, MJ Prieto… - Nanoscale, 2023 - pubs.rsc.org
Probing of the free surface ferroelectric properties of thin polar films can be achieved either
by estimating the band bending variance under the top-most layer or by studying the extent …

[HTML][HTML] Avalanches from charged domain wall motion in BaTiO3 during ferroelectric switching

B Casals, GF Nataf, D Pesquera, EKH Salje - APL Materials, 2020 - pubs.aip.org
We report two methods for direct observations of avalanches in ferroelectric materials during
the motion of domain walls. In the first method, we use optical imaging techniques to derive …

Periodicity-doubling cascades: direct observation in ferroelastic materials

AS Everhardt, S Damerio, JA Zorn, S Zhou, N Domingo… - Physical review …, 2019 - APS
Very sensitive responses to external forces are found near phase transitions. However,
transition dynamics and preequilibrium phenomena are difficult to detect and control. We …

Polar domain walls induced by sequential symmetry breaking in frustrated mechanical metamaterials

Y Zhou, Y Zhang, Z Wen, CQ Chen - Communications Physics, 2024 - nature.com
Frustration hinders ideal local interactions in systems ranging from artificial spin ices with ice
rules to mechanical metamaterials featuring regular floppy modes. While geometric …