Room‐Temperature Ferroelectricity in Hexagonally Layered α‐In 2 Se 3 Nanoflakes down to the Monolayer Limit
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201803738
Abstract: 2D ferroelectric material has emerged as an attractive building block for highdensity data storage nanodevices. Although monolayer van der Waals ferroelectrics have been theoretically predicted, a key experimental breakthrough for such calculations is still not… read more here.
Keywords: ferroelectricity; ferroelectricity hexagonally; temperature ferroelectricity; room temperature ... See more keywords
Centimeter‐Sized Single Crystals of Two‐Dimensional Hybrid Iodide Double Perovskite (4,4‐Difluoropiperidinium)4AgBiI8 for High‐Temperature Ferroelectricity and Efficient X‐Ray Detection
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202009457
Abstract: Ferroelectricity and X‐ray detection property have been recently implemented for the first time in hybrid bromide double perovskites. It sheds a light on achieving photosensitive and ferroelectric multifunctional materials based on 2D lead‐free hybrid halide… read more here.
Keywords: double perovskites; ferroelectricity; ray; ray detection ... See more keywords
Fluorinated 2D Lead Iodide Perovskite Ferroelectrics.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201901843
Abstract: Hybrid perovskite materials are famous for their great application potential in photovoltaics and optoelectronics. Among them, lead-iodide-based perovskites receive great attention because of their good optical absorption ability and excellent electrical transport properties. Although many… read more here.
Keywords: perovskite ferroelectrics; iodide perovskite; ferroelectricity; lead iodide ... See more keywords
Discovery of Real-Space Topological Ferroelectricity in Metallic Transition Metal Phosphides.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202003479
Abstract: Ferroelectric metals-with coexisting ferroelectricity and structural asymmetry-challenge traditional perceptions because free electrons screen electrostatic forces between ions, the driving force of breaking the spatial inversion symmetry. Despite ferroelectric metals having been unveiled one after another,… read more here.
Keywords: discovery real; real space; ferroelectricity; polarity ... See more keywords
Large‐Scale Hf0.5Zr0.5O2 Membranes with Robust Ferroelectricity
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202109889
Abstract: Hafnia‐based compounds have considerable potential for use in nanoelectronics due to their compatibility with complementary metal–oxide–semiconductor devices and robust ferroelectricity at nanoscale sizes. However, the unexpected ferroelectricity in this class of compounds often remains elusive… read more here.
Keywords: 5zr0 5o2; large scale; scale hf0; robust ferroelectricity ... See more keywords
Spatially Resolved Polarization Manipulation of Ferroelectricity in Twisted hBN
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202203990
Abstract: Robust room‐temperature interfacial ferroelectricity has been formed in the 2D limit by simply twisting two atomic layers of non‐ferroelectric hexagonal boron nitride (hBN). A thorough understanding of this newly discovered ferroelectric system is required. Here,… read more here.
Keywords: resolved polarization; ferroelectricity; twisted hbn; spatially resolved ... See more keywords
Fluid Layered Ferroelectrics with Global C∞v Symmetry
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202202048
Abstract: Ferroelectricity in fluid materials, which allows free rotation of molecules, is an unusual phenomenon raising cutting‐edge questions in science. Conventional ferroelectric liquid crystals have been found in phases with low symmetry that permit the presence… read more here.
Keywords: spontaneous polarization; ferroelectricity; symmetry; layered ferroelectrics ... See more keywords
Significant improvement of ferroelectricity and reliability in Hf0.5Zr0.5O2 films by inserting an ultrathin Al2O3 buffer layer
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.148737
Abstract: Abstract Due to the full compatibility with modern complementary-metal-oxide-semiconductor (CMOS) technology and scalable capability, HfO2-based ferroelectric films have been considered as the most potential materials in micro-nano non-volatile memories. However, despite great achievements, the existence… read more here.
Keywords: layer; ferroelectricity; hf0 5zr0; ferroelectricity reliability ... See more keywords
ATiO3/TiO (A=Pb, Sn) superlattice: Bridging ferroelectricity and conductivity
Sign Up to like & getrecommendations! Published in 2020 at "Computational Condensed Matter"
DOI: 10.1016/j.cocom.2020.e00491
Abstract: We propose to insert TiO layers to perovskite ATiO$_{3}$ to form a superlattice and use first-principles calculations to investigate its basic properties. Our computational analysis shows that the structure, which consists of repeated ATiO_{3} and… read more here.
Keywords: conductivity; atio3 tio; tio superlattice; ferroelectricity ... See more keywords
Molecular dynamics simulations of ferroelectricity in di-isopropyl-ammonium halide molecular crystals
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2019.06.019
Abstract: Abstract Ferroelectric molecular crystals are a promising class of materials with lower cost and environment-friendly preparation process. In this work, by combining first-principles calculations and molecular dynamics simulations, we report a systematic study of of… read more here.
Keywords: ferroelectricity; molecular crystals; isopropyl ammonium; dynamics simulations ... See more keywords
Remarkable enhancement in hybrid improper ferroelectricity of Ca3Ti2O7 ceramics by a simple sol-gel process
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2020.128447
Abstract: Abstract Ca3Ti2O7 with Ruddlesden-Popper structure is a typical hybrid improper ferroelectric with large polarization. But the room-temperature ferroelectricity of Ca3Ti2O7 ceramics prepared by a solid-state method is not good enough. In this work, Ca3Ti2O7 ceramics… read more here.
Keywords: improper ferroelectricity; ferroelectricity ca3ti2o7; ferroelectricity; ca3ti2o7 ceramics ... See more keywords