Results 51 to 60 of about 191,244 (266)
Improper molecular ferroelectrics with simultaneous ultrahigh pyroelectricity and figures of merit
Science Advances, 2021 The coupling between the rotation angle of anions and polarization yields colossal pyroelectricity of molecular ferroelectrics. Although ferroelectric materials exhibit large pyroelectric coefficients, their pyroelectric figures of merit (FOMs) are ...
Wenru Li +16 more
semanticscholar +1 more source
Piezoelectric response of disordered lead-based relaxor ferroelectrics
Communications Materials, 2023 Lead-based relaxor ferroelectrics are known for their large piezoelectric response, but the relation between the response and the nanoscale structure of these materials is still under debate. In this Perspective, the microscopic implications of the polar
Tadej Rojac
doaj +1 more source
Multiorbital Ferroelectric Superconductivity in doped SrTiO3 [PDF]
Phys. Rev. B 100, 094504 (2019), 2019 SrTiO$_3$ is a unique example of a system which exhibits both quantum paraelectricity and superconductivity. Thus, it is expected that the superconducting state is closely related to the intrinsic ferroelectric instability. Indeed, recent experiments suggest existence of a coexistent phase of superconductivity and ferroelectricity in Ca-substituted ...
arxiv +1 more source
Domains and domain dynamics in fluorite-structured ferroelectrics
, 2021 Ferroelectricity in fluorite-structured ferroelectrics such as HfO2 and ZrO2 has been attracting increasing interest since its first publication in 2011.
D. Lee +11 more
semanticscholar +1 more source
Scientific Reports, 2021 Electrostatics of depolarization field E d in relation to the polarization is studied. In particular, the value of permittivity for E d (ε d ) in prototypical situations of ferroelectrics, including Mehta formula, is examined by ab initio calculations ...
Yukio Watanabe
doaj +1 more source
Two-dimensional ferroelectric metal for electrocatalysis [PDF]
arXiv, 2021 The coexistence of metallicity and ferroelectricity has been an intriguing and controversial phenomenon as these two material properties are considered incompatible in bulk. We clarify the concept of ferroelectric metal by revisiting the original definitions for ferroelectric and metal. Two-dimensional (2D) ferroelectrics with out-of-plane polarization
arxiv
Emerging van der Waals ferroelectrics: Unique properties and novel devices
Applied Physics Reviews, 2021 The past few decades have witnessed extensive and intensive studies on ferroelectric materials with switchable electric polarization due to their broad device applications.
Fei Xue, Jr-hau He, Xixiang Zhang
semanticscholar +1 more source
Fractional Quantum Ferroelectricity
Nature Communications, 2023 Abstract For an ordinary ferroelectric, the magnitude of the spontaneous electric polarization is at least one order of magnitude smaller than that resulting from the ionic displacement of the lattice vectors, and the direction of the spontaneous electric polarization is determined by the point group of the ferroelectric.
Junyi Ji +3 more
openaire +3 more sources
Unconventional polarization fatigue in van der Waals layered ferroelectric ionic conductor CuInP2S6
Nature Communications, 2023 Recent progress in two-dimensional ferroelectrics greatly expands the versatility and tunability in van der Waals heterostructure based electronics.
Ziwen Zhou +17 more
doaj +1 more source
Advances in Physics, 1992 In the early 1970s it became clear that the polymer polyvinylidene fluoride is ferroelectric. There have been extensive studies of its properties and of the properties of copolymers of vinylidene fluoride with tri- or tetra-fluoroethylene. This work has led to a fairly complete understanding of the ferroelectric and related properties of these ...
Kepler, R. G., Anderson, R. A.
openaire +2 more sources