Ultrahigh Piezoelectric Performance through Synergistic Compositional and Microstructural Engineering
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105715
Abstract: Piezoelectric materials enable the conversion of mechanical energy into electrical energy and vice‐versa. Ultrahigh piezoelectricity has been only observed in single crystals. Realization of piezoelectric ceramics with longitudinal piezoelectric constant (d33) close to 2000 pC… read more here.
Keywords: piezoelectric performance; performance; piezoelectricity; ultrahigh piezoelectric ... See more keywords
A phase-field model for anisotropic brittle fracturing of piezoelectric ceramics
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Fracture"
DOI: 10.1007/s10704-019-00391-9
Abstract: Piezoelectric ceramics are inherently brittle materials that show electromechanical coupling under electrical and mechanical stimuli. In the last decades piezoelectric materials have garnered significant attention due to their established applications as sensors and actuators. In… read more here.
Keywords: model anisotropic; phase field; piezoelectric ceramics; field model ... See more keywords
Enhanced electrical properties of lead-free (Ba1−xCax)(Ti0.94Zr0.01Sn0.05)O3 piezoelectric ceramics by optimizing phase ratio and sintering temperature
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-04681-0
Abstract: It is challenging for material chemists to develop lead-free ceramics due to the toxicity of lead for human health and environment. (Ba, Ca)(Ti, Zr)O3 and (Ba, Ca)(Ti, Sn)O3 lead-free piezoelectric ceramics have attracted much attention… read more here.
Keywords: phase; lead free; sintering temperature; piezoelectric ceramics ... See more keywords
Effect of the processing temperature on the electrical properties of lead-free 0.965Bi0.5Na0.5TiO3–0.035BaTiO3 piezoelectric ceramics synthesized by sol–gel method
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sol-Gel Science and Technology"
DOI: 10.1007/s10971-018-04913-0
Abstract: AbstractIn this work, lead-free 0.965Bi0.5Na0.5TiO3–0.035BaTiO3 (BNT–BT) piezoelectric ceramics were synthesized by a sol–gel process. X-ray diffraction pattern of the BNT–BT samples revealed that powder calcined at 600 °C, exhibit a pure perovskite structure. Scanning electron microscopy… read more here.
Keywords: temperature; microscopy; piezoelectric ceramics; bnt ... See more keywords
Influence of cyclical electric load on crack growth in piezoelectric ceramics under a constant mechanical load
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0324-z
Abstract: Piezoelectric material has widely used in various applications with its high liable performance and quite smart electro-mechanical characteristics. However, solutions for number of troubles in strength and behavior of fracture have not sufficiently clarified yet.… read more here.
Keywords: constant mechanical; piezoelectric ceramics; mechanical load; load ... See more keywords
Impedance Matching Techniques of Multi-layered PZT Ceramics for Piezoelectric Energy Harvesters
Sign Up to like & getrecommendations! Published in 2019 at "Electronic Materials Letters"
DOI: 10.1007/s13391-019-00135-w
Abstract: In this research, the possibility of passive damping system based on the piezoelectric energy harvesting has been proposed and tested. To apply passive damper system, piezoelectric ceramics were stacked, and impedance was matched. Piezoelectric energy… read more here.
Keywords: energy; piezoelectric ceramics; piezoelectric energy; impedance matching ... See more keywords
Structure, dielectric and ferroelectric properties of lead-free (Ba,Ca)(Ti,Zr)O3-xBiErO3 piezoelectric ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.01.112
Abstract: Abstract Lead-free piezoelectric ceramics [(Ba 0.85 Ca 0.15 )(Ti 0.90 Zr 0.10 )O 3- xBiErO 3 (BCTZ-xBE)] doped with a new doping material BiErO 3 (BE) has been synthesized successfully via solid state reaction technique,… read more here.
Keywords: lead free; ferroelectric properties; piezoelectric ceramics; properties lead ... See more keywords
Improved Li and Sb doped lead-free (Na,K)NbO3 piezoelectric ceramics for energy harvesting applications
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.08.341
Abstract: Abstract Piezoelectric energy harvesting is the most widely investigated technology for renewable energy applications. In this work, (1-x)(Na0.5K0.5)NbO3-xLiSbO3 piezoelectric ceramics were prepared through conventional mixed oxide fabrication methods with different sintering temperatures. Although the (Na0.5K0.5)NbO3… read more here.
Keywords: energy; piezoelectric ceramics; na0 5k0; energy harvesting ... See more keywords
Improved ferroelectric properties of BiFeO3-based piezoelectric ceramics through morphotropic phase boundary construction
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.03.149
Abstract: Abstract The ceramic (1-x)BiFe0.985Sc0.015O3-xBaZr0.2Ti0.8O3 + 1mol% MnO2 (x = 0.20, 0.25, 0.30, 0.35) (BFS-xBZT) was synthesized using the traditional ceramic sintering method. The components of the ceramic were determined by constructing a morphotropic phase boundary (MPB) which consists of… read more here.
Keywords: phase; ferroelectric properties; morphotropic phase; piezoelectric ceramics ... See more keywords
Structure and electrical properties of Ce-modified Ca1-Ce Bi2Nb1.75(Cu0.25W0.75)0.25O9 high Curie point piezoelectric ceramics
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.09.251
Abstract: Abstract Ca1-xCexBi2Nb1.975(Cu0.25W0.75)0.025O9 (CBNCW-xCe: x = 0.00, 0.02, 0.04, 0.06, and 0.09) lead-free piezoelectric ceramics with improved piezoelectric properties were prepared by the traditional solid-state reaction method. The effects of CeO2 doping on the microstructure and electrical properties… read more here.
Keywords: structure electrical; cu0 25w0; piezoelectric ceramics; modified ca1 ... See more keywords
Dynamic fatigue of cracked piezoelectric ceramics in three-point bending under electric fields at cryogenic temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.04.031
Abstract: Abstract This paper deals with the cryogenic dynamic fatigue behavior of cracked piezoelectric ceramics under electric fields analytically and experimentally. The crack was created normal to the poling direction. Constant load-rate testing was conducted, using… read more here.
Keywords: electric fields; dynamic fatigue; piezoelectric ceramics; three point ... See more keywords