Charged Domain Walls in BaTiO 3 Crystals Emerging from Superdomain Boundaries
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202300005
Abstract: Previous experiments with BaTiO$_3$ single crystals have shown that application of the electric field in the vicinity of the ferroelectric phase transition can be used to introduce peculiar persisting ferroelectric domain walls, accompanied by the… read more here.
Keywords: walls batio; superdomain boundaries; charged domain; domain walls ... See more keywords
Intrinsically Stable Charged Domain Walls in Molecular Ferroelectric Thin Films
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202400324
Abstract: Charged domain walls in ferroelectrics hold great promise for applications in ferroelectric random‐access memory (FeRAM), with advantages such as low energy consumption, high density, and non‐destructive operation. Due to the mechanical compatibility condition, the neutral… read more here.
Keywords: charged domain; intrinsically stable; thin films; ferroelectric thin ... See more keywords
Unveiling the pinning behavior of charged domain walls in BiFeO3 thin films via vacancy defects
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2019.12.041
Abstract: Abstract Manipulation of electronic states in functional ferroelectrics is promising for next generation electronics devices. The charged domain walls in ferroelectric materials especially facilitate the electronic state modulation and are promising for developing interface-based devices.… read more here.
Keywords: walls bifeo3; vacancy; pinning behavior; domain ... See more keywords
Ferroelectric Charged Domain-Wall Synapse for Neuromorphic Computing.
Sign Up to like & getrecommendations! Published in 2025 at "Nano letters"
DOI: 10.1021/acs.nanolett.5c02081
Abstract: Inspired by brain neural networks, integrated memory-computing devices are critical to meet the demands of big data and artificial intelligence. This work explores the quasi-continuous modulation of ferroelectric charged domain walls' conductance, which is confined… read more here.
Keywords: charged domain; domain wall; neuromorphic computing; ferroelectric charged ... See more keywords
Conducting Domain Walls in van der Waals Ferroelectric NbOI2.
Sign Up to like & getrecommendations! Published in 2025 at "Nano letters"
DOI: 10.1021/acs.nanolett.5c03386
Abstract: In this study, using a set of scanning probe microscopy techniques, we investigate the electronic properties of the domain walls in the layered ferroelectric semiconductor of the transition metal oxide dihalide family, NbOI2. Although the… read more here.
Keywords: charged domain; van der; conducting domain; walls van ... See more keywords
Rational Design of Molecular Ferroelectrics with Negatively Charged Domain Walls.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c04872
Abstract: Ferroelectric domains and domain walls are unique characteristics of ferroelectric materials. Among them, charged domain walls (CDWs) are a special kind of peculiar microstructure that highly improve conductivity, piezoelectricity, and photovoltaic efficiency. Thus, CDWs are… read more here.
Keywords: molecular ferroelectrics; rational design; domain walls; charged domain ... See more keywords
Synergy of Charged Domain Walls in 2D In-Plane Polarized Ferroelectric GeS for Photocatalytic Water Splitting.
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.4c10760
Abstract: Two-dimensional (2D) ferroelectric (FE) materials have exhibited significant prospects for applications in photocatalysis due to their unique properties. However, studies of 2D FE catalysts have been mostly focused on the electric potential difference between different… read more here.
Keywords: charged domain; plane polarized; water; water splitting ... See more keywords
Oxygen vacancies stabilized 180° charged domain walls in ferroelectric hafnium oxide
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0179879
Abstract: Ferroelectric domain walls (DWs) are spatial interfaces separating domains with distinct polarization orientations. Among these DWs, some can carry bound charges and display metallic-like conductivity. The feature is highly of interest for future nanoelectronics. However,… read more here.
Keywords: charged domain; ferroelectric hafnium; hafnium oxide; domain walls ... See more keywords
Microscopic evaluation of charged domain wall structure in niobium-based piezoceramics
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0228587
Abstract: In this study, we investigated the charged domain wall structure of lead-free piezoceramics (Na0.55K0.45)NbO3 using multiple microscopy techniques. It was found that the oxygen partial pressure during sintering affected the volatilization of A2O (A = Na, K),… read more here.
Keywords: charged domain; microscopic evaluation; domain wall; wall structure ... See more keywords
Oxygen Vacancies Nucleate Charged Domain Walls in Ferroelectrics.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.127.117601
Abstract: We study the influence of oxygen vacancies on the formation of charged 180° domain walls in ferroelectric BaTiO_{3} using first principles calculations. We show that it is favorable for vacancies to assemble in crystallographic planes,… read more here.
Keywords: charged domain; domain wall; oxygen vacancies; domain walls ... See more keywords
Charged domain walls in improper ferroelectric hexagonal manganites and gallates
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.2.114405
Abstract: Ferroelectric domain walls are attracting broad attention as atomic-scale switches, diodes and mobile wires for next-generation nanoelectronics. Charged domain walls in improper ferroelectrics are particularly interesting as they offer multifunctional properties and an inherent stability… read more here.
Keywords: improper ferroelectric; walls improper; ferroelectric hexagonal; domain ... See more keywords