Results 31 to 40 of about 41,785 (340)

Relaxation-Related Piezoelectric and Dielectric Behavior of Bi(Mg,Ti)O3–PbTiO3 Ceramic

open access: yesSensors, 2019
Piezoelectric and dielectric materials have attracted much attention for their functional device applications. Despite its excellent piezoelectric properties, the content of lead in piezoelectric materials should be restricted to prevent future ...
Min Young Park   +2 more
doaj   +1 more source

Design of Fast Steering Mirror Based on Displacement Amplification Mechanism

open access: yesShanghai Jiaotong Daxue xuebao, 2021
According to the current situation that the deflection angle of the piezoelectric ceramics direct drive fast steering mirror (FSM) is restricted by small elongation of piezoelectric ceramics and the large deflection angle cannot be realized, a novel ...
XIE Yong, LIU Chongfei, JIA Jianjun, DAI Jiansheng
doaj   +1 more source

Structure, dielectric and piezoelectric properties of Pb[(Zr0.45,Ti0.5)(Mn0.5,Sb0.5)0.05]O3 ceramics [PDF]

open access: yesProcessing and Application of Ceramics, 2020
This study describes structure, dielectric and piezoelectric properties of Pb[(Zr0.45,Ti0.5)(Mn0.5,Sb0.5)0.05]O3 (PZT-PMS) ceramics prepared by conventional mixed-oxide route and sintered at up to 1180 °C. The prepared ceramics was characterized by X-ray
Louanes Hamzioui   +4 more
doaj   +1 more source

Quantitative evaluation of the piezoelectric response of unpoled ferroelectric ceramics from elastic and dielectric measurements: tetragonal BaTiO$_3$

open access: yes, 2017
A method for evaluating the piezoelectric response of unpoled ferroelectric ceramics from elastic and dielectric measurements is proposed and tested on BaTiO$_3$.
Cordero, F.
core   +1 more source

NEW PIEZOELECTRIC CERAMICS

open access: yesLe Journal de Physique Colloques, 1972
New piezoelectric materials have developed on the base of the crystal chemistry conceptions of increasing the piezoelectric activity of solid solutions in the morphotropic boundary region and on the base of conceptions about influence of the defect structure on the process of sintering of the ceramics.
Klimov, V.   +3 more
openaire   +2 more sources

Nano-scale oxygen octahedral tilting in 0.90(Bi1/2Na1/2)TiO3-0.05(Bi1/2K1/2)TiO3-0.05BaTiO3 lead-free perovskite piezoelectric ceramics

open access: yes, 2009
The oxygen octahedral tilted domains in 0.90(Bi1/2Na1/2)TiO3-0.5(Bi1/2K1/2)TiO3-0.5BaTiO3 lead-free perovskite piezoelectric ceramic have been studied by transmission electron microscopy (TEM). Selected-area electron diffraction patterns shows the 1/2ooo
Jaffe B., Smolenskii G. A., Y. Lereah
core   +1 more source

Lead-free piezoceramics with giant strain in the system Bi0.5Na0.5TiO3-BaTiO3-K0.5Na0.5NbO3. I. Structure and room temperature properties [PDF]

open access: yes, 2008
Lead-free piezoelectric ceramics, (1-x-y)Bi0.5Na0.5TiO3-xBaTiO(3)-yK(0.5)Na(0.5)NbO(3) (0.05
Aulbach, Emil   +6 more
core   +1 more source

Effect of LiF doping on structure, ferroelectric and piezoelectric properties of BiFeO3-BaTiO3 ceramics

open access: yesCailiao gongcheng, 2023
0.7BiFeO3-0.3BaTiO3+0.35%(mole fraction, the same below)MnO2+x%LiF piezoelectric ceramics(BF-BT-MN-xLF) were synthesized via a solid state reaction process. The phase composition, microstructure, ferroelectric and piezoelectric properties of BF-BT-MN-xLF
HE Xiujiang   +4 more
doaj   +1 more source

Optimal configuration of microstructure in ferroelectric materials by stochastic optimization

open access: yes, 2010
An optimization procedure determining the ideal configuration at the microstructural level of ferroelectric (FE) materials is applied to maximize piezoelectricity.
Goldstein H.   +7 more
core   +1 more source

Electrostrictive Polymers for Mechanical-to-Electrical Energy Harvesting [PDF]

open access: yes, 2016
Research of electrostrictive polymers has generated new opportunities for harvesting energy from the surrounding environment and converting it into usable electrical energy. Piezoelectric ceramic based devices have long been used in energy harvesting for
Coutu, Ronald A., Jr.   +2 more
core   +2 more sources

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