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 …

Thin‐film ferroelectrics

A Fernandez, M Acharya, HG Lee, J Schimpf… - Advanced …, 2022 - Wiley Online Library
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 …

Ultrathin ferroic HfO2–ZrO2 superlattice gate stack for advanced transistors

SS Cheema, N Shanker, LC Wang, CH Hsu, SL Hsu… - Nature, 2022 - nature.com
With the scaling of lateral dimensions in advanced transistors, an increased gate
capacitance is desirable both to retain the control of the gate electrode over the channel and …

High-density switchable skyrmion-like polar nanodomains integrated on silicon

L Han, C Addiego, S Prokhorenko, M Wang, H Fu… - Nature, 2022 - nature.com
Abstract Topological domains in ferroelectrics,,,–have received much attention recently
owing to their novel functionalities and potential applications, in electronic devices. So far …

Spontaneous helielectric nematic liquid crystals: Electric analog to helimagnets

X Zhao, J Zhou, J Li, J Kougo, Z Wan… - Proceedings of the …, 2021 - National Acad Sciences
Recently, a type of ferroelectric nematic fluid has been discovered in liquid crystals in which
the molecular polar nature at molecule level is amplified to macroscopic scales through a …

[HTML][HTML] Flexible multi-walled carbon nanotubes/polyvinylidene fluoride membranous composites with weakly negative permittivity and low frequency dispersion

K Sun, W Duan, Y Lei, Z Wang, J Tian, P Yang… - Composites Part A …, 2022 - Elsevier
Flexible composites with negative permittivity have great potentials in flexible electronics
and wearable devices. To improve their working performance, it is critical to search for such …

High‐performance ferroelectric based materials via high‐entropy strategy: Design, properties, and mechanism

Y Zhang, L Chen, H Liu, S Deng, H Qi, J Chen - InfoMat, 2023 - Wiley Online Library
High‐performance ferroelectric materials are widely used in various electronic devices
owing to the function of mutual conversion among different energies, which mainly relates to …

Polarization Switching and Correlated Phase Transitions in Fluorite‐Structure ZrO2 Nanocrystals

X Li, H Zhong, T Lin, F Meng, A Gao, Z Liu… - Advanced …, 2023 - Wiley Online Library
Unconventional ferroelectricity in fluorite‐structure oxides enables tremendous opportunities
in nanoelectronics owing to their superior scalability and silicon compatibility. However, their …

Unexpectedly low barrier of ferroelectric switching in HfO2 via topological domain walls

DH Choe, S Kim, T Moon, S Jo, H Bae, SG Nam… - Materials Today, 2021 - Elsevier
Fluorite-structure ferroelectrics—in particular the orthorhombic phase of HfO 2—are of
paramount interest to academia and industry because they show unprecedented scalability …

Disorder-induced topological state transition in the optical skyrmion family

C Liu, S Zhang, SA Maier, H Ren - Physical Review Letters, 2022 - APS
Skyrmions endowed with topological protection have been extensively investigated in
various platforms including magnetics, ferroelectrics, and liquid crystals, stimulating …