Topological phases in polar oxide nanostructures

J Junquera, Y Nahas, S Prokhorenko, L Bellaiche… - Reviews of Modern …, 2023 - APS
The past decade has witnessed dramatic progress related to various aspects of emergent
topological polar textures in oxide nanostructures displaying vortices, skyrmions, merons …

[HTML][HTML] H/F substitution for advanced molecular ferroelectrics

Y Ai, HP Lv, ZX Wang, WQ Liao, RG Xiong - Trends in Chemistry, 2021 - cell.com
Molecular ferroelectrics have been widely adopted as alternatives to traditional ceramic and
polymer ferroelectrics due to their outstanding piezoelectric and ferroelectric properties, as …

Observation of vortex domains in a two-dimensional lead iodide perovskite ferroelectric

HY Zhang, XJ Song, XG Chen, ZX Zhang… - Journal of the …, 2020 - ACS Publications
Topological defects, such as vortices and skyrmions, provide a wealth of splendid
possibilities for new nanoscale devices because of their marvelous electronic, magnetic …

Ferroelectric nematic liquid crystal thermomotor

MT Máthé, Á Buka, A Jákli, P Salamon - Physical Review E, 2022 - APS
A thermal gradient-induced circular motion of particles placed on ferroelectric nematic liquid
crystal sessile drops is demonstrated and explained. Unlike hurricanes and tornadoes that …

Hexagonal Close-Packed Polar-Skyrmion Lattice in Ultrathin Ferroelectric Films

S Yuan, Z Chen, S Prokhorenko, Y Nahas, L Bellaiche… - Physical review …, 2023 - APS
Polar skyrmions are topologically stable, swirling polarization textures with particlelike
characteristics, which hold promise for next-generation, nanoscale logic and memory …

Observation of magnetic vortex pairs at room temperature in a planar α-Fe2O3/Co heterostructure

FP Chmiel, N Waterfield Price, RD Johnson… - Nature Materials, 2018 - nature.com
Vortices, occurring whenever a flow field 'whirls' around a one-dimensional core, are among
the simplest topological structures, ubiquitous to many branches of physics. In the crystalline …

Organic ferroelectric vortex–antivortex domain structure

YY Tang, Y Xie, Y Ai, WQ Liao, PF Li… - Journal of the …, 2020 - ACS Publications
Organic ferroelectrics are attracting tremendous interest because of their mechanical
flexibility, ease of fabrication, and low acoustical impedance. Although great advances have …

[HTML][HTML] Quasi-one-dimensional metallic conduction channels in exotic ferroelectric topological defects

W Yang, G Tian, Y Zhang, F Xue, D Zheng… - Nature …, 2021 - nature.com
Ferroelectric topological objects provide a fertile ground for exploring emerging physical
properties that could potentially be utilized in future nanoelectronic devices. Here, we …

Six-fold vertices in a single-component organic ferroelectric with most equivalent polarization directions

Y Ai, YL Zeng, WH He, XQ Huang… - Journal of the American …, 2020 - ACS Publications
Topological defects such as vortices in ferroelectric materials are attracting tremendous
interest because of their splendid possibilities for unique physical phenomena and potential …

PFM (piezoresponse force microscopy)-aided design for molecular ferroelectrics

HY Zhang, XG Chen, YY Tang, WQ Liao… - Chemical Society …, 2021 - pubs.rsc.org
With prosperity, decay, and another spring, molecular ferroelectrics have passed a hundred
years since Valasek first discovered ferroelectricity in the molecular compound Rochelle …