Controlled Nucleation and Stabilization of Ferroelectric Domain Wall Patterns in Epitaxial (110) Bismuth Ferrite Heterostructures
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202003571
Abstract: Ferroelectric domain walls, topological entities separating domains of uniform polarization, are promising candidates as active elements for nanoscale memories. In such applications, controlled nucleation and stabilization of domain walls are critical. Here, using in situ… read more here.
Keywords: domain; nucleation stabilization; ferroelectric domain; domain walls ... See more keywords
Giant Uniaxial Strain Ferroelectric Domain Tuning in Freestanding PbTiO3 Films
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.201901604
Abstract: Dimensionality and epitaxial strain have been recently utilized to engineer the interplay between the electrostatic and elastic energies to stabilize exotic ferroelectric domain structures and topological textures in epitaxial heterostructures and superlattices. As the strain… read more here.
Keywords: freestanding pbtio3; domain; strain; ferroelectric domain ... See more keywords
Distinct ferroelectric domain switching dynamics in epitaxial BiFeO3 (001) capacitors depending on the bias polarity
Sign Up to like & getrecommendations! Published in 2020 at "Current Applied Physics"
DOI: 10.1016/j.cap.2020.07.017
Abstract: Abstract Understanding ferroelectric domain switching dynamics at the nanoscale is a great of importance in the viewpoints of fundamental physics and technological applications. Here, we investigated the intriguing polarity-dependent switching dynamics of ferroelectric domains in… read more here.
Keywords: ferroelectric domain; switching dynamics; polarity; domain switching ... See more keywords
Tailoring nanomechanical properties of hard and soft PZT piezoceramics via domain engineering by selective annealing
Sign Up to like & getrecommendations! Published in 2021 at "Materials today communications"
DOI: 10.1016/j.mtcomm.2021.102495
Abstract: Abstract The nanomechanical properties of polycrystalline “hard” and “soft” lead zirconate titanate (PZT) (abbreviated as PZT-H and PZT-S, respectively) are measured on samples having different ferroelectric domain configurations. The ferroelectric domain configurations are varied by… read more here.
Keywords: domain configurations; nanomechanical properties; domain; pzt ... See more keywords
Terahertz Reading of Ferroelectric Domain Wall Dielectric Switching.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c00523
Abstract: Ferroelectric domain walls (DWs) are important nanoscale interfaces between two domains. It is widely accepted that ferroelectric domain walls work idly at terahertz (THz) frequencies, consequently discouraging efforts to engineer the domain walls to create… read more here.
Keywords: thz frequencies; ferroelectric domain; domain wall; domain ... See more keywords
Real-Space Infrared Spectroscopy of Ferroelectric Domain Walls in Multiferroic h-(Lu,Sc)FeO3.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c19600
Abstract: We employ synchrotron-based near-field infrared spectroscopy to image the phononic properties of ferroelectric domain walls in hexagonal (h) Lu0.6Sc0.4FeO3, and we compare our findings with a detailed symmetry analysis, lattice dynamics calculations, and prior models… read more here.
Keywords: spectroscopy; real space; ferroelectric domain; domain walls ... See more keywords
Ultralow Lattice Thermal Conductivity and High Thermoelectric Performance in Ge1-x-yBixCayTe with Ultrafine Ferroelectric Domain Structure.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c03365
Abstract: GeTe and its derivatives emerging as a promising lead-free thermoelectric candidate have received extensive attention. Here, a new route was proposed that the minimization of κL in GeTe through considerable enhancement of acoustic phonon scattering… read more here.
Keywords: domain structure; structure; ferroelectric domain; ultrafine ferroelectric ... See more keywords
Bend-Induced Ferroelectric Domain Walls in α-In2Se3.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.3c01311
Abstract: The low bending stiffness of atomic membranes from van der Waals ferroelectrics such as α-In2Se3 allow access to a regime of strong coupling between electrical polarization and mechanical deformation at extremely high strain gradients and… read more here.
Keywords: ferroelectric domain; microscopy; domain walls; induced ferroelectric ... See more keywords
Functional electronic inversion layers at ferroelectric domain walls.
Sign Up to like & getrecommendations! Published in 2017 at "Nature materials"
DOI: 10.1038/nmat4878
Abstract: Ferroelectric domain walls hold great promise as functional two-dimensional materials because of their unusual electronic properties. Particularly intriguing are the so-called charged walls where a polarity mismatch causes local, diverging electrostatic potentials requiring charge compensation… read more here.
Keywords: ferroelectric domain; inversion; functional electronic; domain wall ... See more keywords
Next-generation ferroelectric domain-wall memories: principle and architecture
Sign Up to like & getrecommendations! Published in 2019 at "NPG Asia Materials"
DOI: 10.1038/s41427-018-0102-x
Abstract: The downscaling of commercial one-transistor–one capacitor ferroelectric memory cells is limited by the available signal window for the use of a charge integration readout technique. However, the erasable conducting charged walls that occur in insulating… read more here.
Keywords: wall memories; ferroelectric domain; domain wall; next generation ... See more keywords
Ferroelectric domain wall memory with embedded selector realized in LiNbO3 single crystals integrated on Si wafers
Sign Up to like & getrecommendations! Published in 2020 at "Nature Materials"
DOI: 10.1038/s41563-020-0702-z
Abstract: Interfacial ‘dead’ layers between metals and ferroelectric thin films generally induce detrimental effects in nanocapacitors, yet their peculiar properties can prove advantageous in other electronic devices. Here, we show that dead layers with low Li… read more here.
Keywords: ferroelectric domain; wall memory; domain wall; selector ... See more keywords