Results 41 to 50 of about 17,613 (186)

Preparation and Characterization of Lead-Free Piezoelectric Ceramics [PDF]

open access: yesKey Engineering Materials, 2011
(K,Na)NbO3-based piezoelectric ceramics are promising candidates for practical applications of lead-free piezoelectric materials due to their excellent piezoelectric properties. In this paper, lead-free piezoelectric ceramics (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3(KNL-NTS)were successfully fabricated by traditional ceramics processing.
Chen, Qiang   +6 more
openaire   +2 more sources

Excellent comprehensive piezoelectric performances of SiC-doped BCTZ-based lead-free piezoelectric ceramics

open access: yesJournal of Advanced Ceramics
With increasing awareness of environmental protection, the electrical performance and sintering process of lead-free piezoelectric ceramics are continuously optimized to replace lead-based materials.
Aihui Yang   +5 more
doaj   +1 more source

Improved ferroelectric and piezoelectric properties of (Na0.5K0.5)NbO3 ceramics via sintering in low oxygen partial pressure atmosphere and adding LiF

open access: yesJournal of Advanced Dielectrics, 2021
Dense (Na0.5K0.5)NbO3 lead-free ceramics with the simple composition were prepared via sintering in low oxygen partial pressure (pO2, ∼10−12 atm) atmosphere and adding LiF. All the ceramics have pure orthorhombic structure.
Bing-Yu Li   +5 more
doaj   +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

Lead-Free Piezoelectric Ceramic Micro-Pressure Thick Films

open access: yesCrystals, 2023
In this study, non-stoichiometry lead-free piezoelectric ceramic Li0.058(K0.48Na0.535)0.966(Nb0.9Ta0.1)O3 (LKNNT) thick films were deposited on Pt/Ti/Si substrates using spin-coating method technology to form a LKNNT/Pt/Ti/Si structure of the micro-pressure thick films.
Kai-Huang Chen   +3 more
openaire   +2 more sources

Ultra-high energy harvester performance in KNN-based textured piezoceramics via multiscale reconfiguration design

open access: yesJournal of Advanced Ceramics
The lower electromechanical performance of lead-free piezoelectric materials remains a critical bottleneck impeding their ability to replace lead-based materials in energy harvesting.
Caixia Zhu   +5 more
doaj   +1 more source

High piezoelectricity and low strain hysteresis in PMN–PT-based piezoelectric ceramics

open access: yesJournal of Advanced Ceramics, 2023
High piezoelectric properties and low strain hysteresis (H) are both equally necessary for practical applications in precisely controlled piezoelectric devices and systems.
Jiajia Wang   +6 more
doaj   +1 more source

Revised structural phase diagram of (Ba0.7Ca0.3TiO3)-(BaZr0.2Ti0.8O3) [PDF]

open access: yes, 2013
The temperature-composition phase diagram of barium calcium titanate zirconate (x(Ba0.7Ca0.3TiO3)(1-x)(BaZr0.2Ti0.8O3); BCTZ) has been reinvestigated using high-resolution synchrotron x-ray powder diffraction.
Dean S. Keeble   +6 more
core   +3 more sources

Advancing piezoelectricity and excellent thermal stability: <001>-textured 0.75BF–0.25BT lead-free ceramics for high temperature applications

open access: yesJournal of Materiomics
There is an urgent need for piezoelectric materials possessing both high piezoelectric properties and good thermal stability to facilitate the advancement of high temperature piezoelectric devices.
Zhangpan Shen   +8 more
doaj   +1 more source

Characteristics of BNT Films Synthesized by a Hydrothermal Method [PDF]

open access: yes, 2008
Thin films of lead-free piezoelectric ceramics (Bi1/2Na1/2)TiO3 (abbreviated as BNT) were prepared on pure titanium substrates by a hydrothermal method.
603   +3 more
core   +1 more source

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