Journal ArticleDOI
The large electro-strain in BNKT-BST-100xTa lead-free ceramics
Reads0
Chats0
TLDR
In this paper, BNKT-BST-100xTa lead-free ceramics were fabricated by the solid-state reaction technique and XRD patterns confirmed that Ta5+ ions had completely dissolved into the lattice of the BnKT, and the temperature of R3c-PNRs (Ts) was found to shift towards room temperature in dielectric permittivity curves with the introduction of Ta5 + ions.About:
This article is published in Ceramics International.The article was published on 2020-02-01. It has received 20 citations till now. The article focuses on the topics: Dielectric & Microstructure.read more
Citations
More filters
Journal ArticleDOI
Enhanced energy-storage performance and thermally stable permittivity for K0.5Na0.5NbO3 modified [(Na0.5Bi0.5)0.84Sr0.16]0.98La0.01TiO3 lead-free perovskite ceramics
Benben Yan,Huiqing Fan,Arun Kumar Yadav,Chao Wang,Xiaokun Zheng,Hao Wang,Weijia Wang,Wenqiang Dong,Shuren Wang +8 more
TL;DR: In this article, the effects of KNN on the porcelain polycrystalline structure, dielectric temperature stability, and energy-storage characteristics are studied systematically. But, the energy storage performance is revealed an excellent fatigue resistant stability.
Journal ArticleDOI
(Na0.8-xK0.2Lix)0.5Bi0.5Ti0.985Ta0.015O3 lead-free ceramics with large strain and high recoverable energy density
Han Wang,Qiang Li,Yuxin Jia,Arun Kumar Yadav,Benben Yan,Mengyuan Li,Qi Shen,Qifeng Quan,Weijia Wang,Guangzhi Dong,Huiqing Fan +10 more
TL;DR: In this article, Li+ ion doping for the relaxation mechanism and piezoelectric performances of all lead-free perovskite ceramics were systematically investigated, and the results indicated that the excellent electro-strain and energy-storage properties for BNKTT-100xLi cerams could be widely applicable to electronic equipment.
Journal ArticleDOI
Large electrostrain and high energy-storage of (1-x)[0.94(Bi0.5Na0.5) TiO3-0.06BaTiO3]-xBa(Sn0.70Nb0.24)O3 lead-free ceramics
Yuxin Jia,Huiqing Fan,Han Wang,Arun Kumar Yadav,Benben Yan,Mengyuan Li,Qifeng Quan,Guangzhi Dong,Weijia Wang,Qiang Li +9 more
TL;DR: In this article, a lead-free ceramics with a relative density greater than 96 % was fabricated, and the structure as well as performance were tested, where the randomly distributed ferroelectric phase was replaced by polar nano regions, thereby improving the electro-strain and energy storage performance of the system.
Journal ArticleDOI
Large electro-strain with excellent fatigue resistance of lead-free (Bi0.5Na0.5)0.94Ba0.06Ti1-x(Y0.5Nb0.5)xO3 perovskite ceramics
Han Wang,Qiang Li,Yuxin Jia,Arun Kumar Yadav,Benben Yan,Mengyuan Li,Qifeng Quan,Weijia Wang,Huiqing Fan +8 more
TL;DR: A series of lead-free perovskite ceramics were fabricated using a solid-state reaction technique and the effects of doping on phase structure, piezoelectric properties, AC impedance, and fatigue resistance were systematically studied.
Journal ArticleDOI
Enhanced electric field-induced strain and electrostrictive response of lead-free BaTiO3-modified Bi0.5(Na0.80K0.20)0.5TiO3 piezoelectric ceramics
TL;DR: Lead-free (1-x)Bi0.5(Na0.80K0.20)0.3TiO3-xBaTiO 3 or (1x)BNKT-xBT (x = 0 − 0.15 mol fraction) piezoelectric ceramics have been investigated.
References
More filters
Journal ArticleDOI
Giant Strains in Non-Textured (Bi1/2Na1/2)TiO3-Based Lead-Free Ceramics
Xiaoming Liu,Xiaoli Tan +1 more
TL;DR: An in situ transmission electron microscopy study indicates that the excellent performance originates from phase transitions under the applied electric fields.
Journal ArticleDOI
Temperature-Dependent Properties of (Bi1/2Na1/2)TiO3–(Bi1/2K1/2)TiO3–SrTiO3 Lead-Free Piezoceramics
TL;DR: In this article, a large unipolar strain of 0.36% at a driving field of 6 kV/mm was obtained at room temperature for a SrTiO3 content of 5 mol%.
Journal ArticleDOI
Domain structure-dielectric property relationship in lead-free (1−x)(Bi1/2Na1/2)TiO3xBaTiO3 ceramics
TL;DR: The domain morphology and crystal structure of lead-free piezoelectric ceramics were systematically studied with transmission electron microscopy for compositions x=0.04 through 0.11.
Journal ArticleDOI
The Antiferroelectric ↔ Ferroelectric Phase Transition in Lead-Containing and Lead-Free Perovskite Ceramics
TL;DR: A comprehensive review on the latest development of the antiferroelectric ↔ ferroelectric phase transition is presented in this paper, where the electric field-induced Antifroelectric-to-Ferroelectric transition is a key to the poling process to develop piezoelectricity in morphotropic phase boundary (MPB) compositions.
Journal ArticleDOI
THE DEFECT STRUCTUFE OF SrTi1−xFexO3−y (x = 0–0.8) INVESTIGATED BY ELECTRICAL CONDUCTIVITY MEASUREMENTS AND ELECTRON ENERGY LOSS SPECTROSCOPY (EELS)
TL;DR: The electrical properties and defect structure of selected compositions in the SrTi1−xFexO3−y system (x = 0-0.8) have been studied using van der Pauw 4-point conductivity measurements and electron energy loss spectroscopy (EELS) as mentioned in this paper.