Results 11 to 20 of about 4,429 (294)

Enhanced Energy‐Storage Properties and Good Temperature Stability in 0.92(Sr0.7Bi0.2)TiO3–0.08Bi(Mg0.5Hf0.5)O3 Relaxor Ferroelectric Ceramic

open access: yesAdvanced Energy & Sustainability Research, 2021
Herein, the (1 − x)(Sr0.7Bi0.2)TiO3–xBi(Mg0.5Hf0.5)O3 (SBT–100xBMH, x = 0.04–0.10) relaxor ferroelectric ceramics are fabricated via the high‐temperature solid‐state reaction method.
Xi Kong   +3 more
doaj   +2 more sources

Evolution of dielectric and ferroelectric relaxor states in Al3+-doped BaTiO3

open access: yesAIP Advances, 2015
In ferroelectric BaTiO3, we report the evolution of the Dielectric Relaxor and Ferroelectric Relaxor states as a function of B-site doped Al3+ concentration. The relaxor states occur after the paraelectric-ferroelectric phase transition upon cooling. Two
K. Vani, Viswanathan Kumar
doaj   +2 more sources

Strategies for regulating energy storage characteristics of relaxor ferroelectric films

open access: yesShenzhen Daxue xuebao. Ligong ban
Relaxor ferroelectric film capacitors exhibit several advantageous characteristics, including high power density, rapid charge and discharge rates, lightweight construction, compact size, and ease of integration, aligning with the ongoing trend toward ...
WU Qiong, DONG Shuxiang
doaj   +2 more sources

Ferroelectric-to-relaxor crossover in Sb doped PLZT x/52/48 (2 ≤ x ≤ 16) piezoelectric ceramics

open access: yesJournal of Asian Ceramic Societies, 2014
Dielectric behavior and diffuse phase transition have been investigated in Sb doped lead lanthanum zirconate titanate (PLZT) ceramics to understand the role of La and Sb in ferroelectric-to-relaxor crossover.
Sheng Tong, Zhiyuan Ling
doaj   +2 more sources

Ferroelectric polymers with improved performance

open access: yesPhysics of Complex Systems, 2022
This article offers a short overview of the unique properties of PVDF-based electroactive polymers and their applications. Ferroelectric materials are widely used in modern electronics.
Николай Дмитриевич Шишкин   +1 more
doaj   +3 more sources

Dielectric and electro-mechanic nonlinearities in perovskite oxide ferroelectrics, relaxors, and relaxor ferroelectrics [PDF]

open access: yesJournal of Applied Physics, 2021
The polarization and strain response of ferroelectric materials at electric fields below the macroscopic coercive field is of paramount importance for the operation of many electronic devices. The response of real ferroelectric and related materials is, in general, complex and difficult to interpret.
Lukas M. Riemer   +5 more
openaire   +2 more sources

Giant dynamic electromechanical response via field driven pseudo-ergodicity in nonergodic relaxors

open access: yesNature Communications, 2023
Enhanced electromechanical response can commonly be found during the crossover from normal to relaxor ferroelectric state, making relaxors to be potential candidates for actuators.
He Qi   +5 more
doaj   +1 more source

Critical state to achieve a giant electric field-induced strain with a low hysteresis in relaxor piezoelectric ceramics

open access: yesJournal of Materiomics, 2021
Due to the extrinsic contribution of domain wall motions to electro-strains, the incompatibility of the large electro-strain with a low hysteresis in piezoelectric ceramics is a stumbling block for designing high-performance piezoelectrical actuators ...
Xiang Xia   +6 more
doaj   +1 more source

Semiconductor/relaxor 0–3 type composites: A novel strategy for energy storage capacitors

open access: yesJournal of Science: Advanced Materials and Devices, 2021
We report a novel strategy to enhance the dielectric breakdown strength and the energy storage performance of lead-free relaxor ferroelectric ceramics through the fabrication of semiconductor/relaxor 0–3 type composites based on 0.6Ba(Zr0.2Ti0.8)O3-0.4 ...
A.R. Jayakrishnan   +5 more
doaj   +1 more source

Barkhausen Noise in a Relaxor Ferroelectric [PDF]

open access: yesPhysical Review Letters, 2001
Barkhausen noise, including both periodic and aperiodic components, is found in and near the relaxor regime of a familiar relaxor ferroelectric, PbMg$_{1/3}$Nb$_{2/3}$O$_3$, driven by a periodic electric field. The temperature dependences of both the amplitude and spectral form show that the size of the coherent dipole moment changes shrink as the ...
Colla, Eugene V.   +2 more
openaire   +3 more sources

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