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 …

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 …

Ultrahigh–energy density lead-free dielectric films via polymorphic nanodomain design

H Pan, F Li, Y Liu, Q Zhang, M Wang, S Lan, Y Zheng… - Science, 2019 - science.org
Dielectric capacitors with ultrahigh power densities are fundamental energy storage
components in electrical and electronic systems. However, a long-standing challenge is …

Local Diverse Polarization Optimized Comprehensive Energy‐Storage Performance in Lead‐Free Superparaelectrics

L Chen, N Wang, Z Zhang, H Yu, J Wu… - Advanced …, 2022 - Wiley Online Library
Lead‐free dielectric ceramics with ultrahigh energy‐storage performance are the core
components used in next‐generation advanced pulse power capacitors. However, the low …

Freestanding crystalline oxide perovskites down to the monolayer limit

D Ji, S Cai, TR Paudel, H Sun, C Zhang, L Han, Y Wei… - Nature, 2019 - nature.com
Abstract Two-dimensional (2D) materials such as graphene and transition-metal
dichalcogenides reveal the electronic phases that emerge when a bulk crystal is reduced to …

Ultrahigh performance in lead-free piezoceramics utilizing a relaxor slush polar state with multiphase coexistence

H Tao, H Wu, Y Liu, Y Zhang, J Wu, F Li… - Journal of the …, 2019 - ACS Publications
Owing to growing environmental concerns, the development of lead-free piezoelectrics with
comparable performance to the benchmark Pb (Zr, Ti) O3 (PZT) becomes of great urgency …

A 2D ferroelectric vortex pattern in twisted BaTiO3 freestanding layers

G Sánchez-Santolino, V Rouco, S Puebla, H Aramberri… - Nature, 2024 - nature.com
The wealth of complex polar topologies,,,,,,,,–recently found in nanoscale ferroelectrics
results from a delicate balance between the intrinsic tendency of the materials to develop a …

Giant energy density and high efficiency achieved in bismuth ferrite-based film capacitors via domain engineering

H Pan, J Ma, J Ma, Q Zhang, X Liu, B Guan… - Nature …, 2018 - nature.com
Develo** high-performance film dielectrics for capacitive energy storage has been a great
challenge for modern electrical devices. Despite good results obtained in lead titanate …

Observation of polar vortices in oxide superlattices

AK Yadav, CT Nelson, SL Hsu, Z Hong, JD Clarkson… - Nature, 2016 - nature.com
The complex interplay of spin, charge, orbital and lattice degrees of freedom provides a
plethora of exotic phases and physical phenomena,,,,. In recent years, complex spin …