Large and temperature-insensitive piezoelectric strain in xBiFeO3–(1−x)Ba(Zr0.05Ti0.95)O3 lead-free piezoelectric ceramics
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DOI: 10.1007/s10853-018-2926-8
Abstract: Lead-free piezoelectric materials of xBiFeO3–(1−x)Ba(Zr0.05Ti0.95)O3–1.0 mol%MnO2 (BF–BZT) (0.62 ≤ x ≤ 0.74) were prepared by the traditional solid-state reaction process. The structure and high-temperature dielectric, ferroelectric as well as piezoelectric properties were investigated. X-ray diffraction analysis showed that BF–BZT ceramics… read more here.
Keywords: lead free; temperature; xbifeo3 zr0; strain ... See more keywords
Plate-like Ca3Co4O9: A novel lead-free piezoelectric material
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DOI: 10.1016/j.apsusc.2020.147928
Abstract: Abstract Large-size Ca3Co4O9 microplates in the range of 10 μm to 18 μm, were prepared by using molten salt synthesis method. The piezoelectric properties of Ca3Co4O9 were reported in the first time. The crystal structure was characterized… read more here.
Keywords: piezoelectric material; free piezoelectric; plate like; ca3co4o9 ... See more keywords
High piezoelectric response in lead free 0.9BaTiO3-(0.1-x)CaTiO3-xBaSnO3 solid solution
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DOI: 10.1016/j.ceramint.2017.05.252
Abstract: Abstract Lead free piezoelectric in the ternary system of 0.9BaTiO 3 -(0.1- x )CaTiO 3 - x BaSnO 3 [BCT- x BS], where x = 0.00–0.075, was fabricated via a conventional solid state reaction. The… read more here.
Keywords: phase; lead free; high piezoelectric; free piezoelectric ... See more keywords
Full characterization for material constants of a promising KNN-based lead-free piezoelectric ceramic
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DOI: 10.1016/j.ceramint.2019.11.009
Abstract: Abstract Potassium-sodium niobate (K1-xNaxNbO3, referred to as KNN) solid solutions, which are an important type of lead-free piezoelectric materials possessing environmentally friendly features, good piezoelectric response and high Curie temperature, have attracted considerable attention in… read more here.
Keywords: lead free; full characterization; material constants; knn based ... See more keywords
Enhanced mechanical energy harvesting capability in sodium bismuth titanate based lead-free piezoelectric
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.154020
Abstract: Abstract The demand for high-performance lead-free piezoelectric materials towards mechanical energy harvesting has been driven by the continuous requirements of self-powered applications such as wireless sensor network systems and biomedical devices, etc. Herein, manganese-doped sodium… read more here.
Keywords: lead free; energy; energy harvesting; free piezoelectric ... See more keywords
Coexistence of excellent piezoelectric performance and high Curie temperature in KNN-based lead-free piezoelectric ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.156245
Abstract: Abstract A new KNN-based lead-free piezoelectric material system of (1-x)K0.4Na0.6Nb0.96Sb0.04O3-x(Bi0.45Sm0.05)Na0.5ZrO3 (abbreviated as KNNS-xBSNZ, 0.00 ≤ x ≤ 0.06) is designed to obtain high performance to meet the requirement of next generation electronic devices. The relevant electric properties such as… read more here.
Keywords: lead free; temperature; based lead; performance ... See more keywords
Textured Lead-Free Piezoelectric Ceramics for Flexible Energy Harvesters.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c15640
Abstract: A lead-free (K,Na)NbO3-based piezoelectric ceramic is textured along the (001) direction using the NaNbO3 (NN) seeds. The composition 0.96(K0.5Na0.5)(Nb0.965Sb0.035)O3-0.01CaZrO3-0.03(Bi0.5K0.5)HfO3 (KNN) is found to provide an excellent combination of electromechanical coefficients at room temperature. The textured… read more here.
Keywords: lead free; energy; free piezoelectric; flexible energy ... See more keywords
Enhanced dielectric and ferroelectric behavior in 0.94BNT-0.06BCTS lead free piezoelectric ceramics synthesized by the solid state combustion technique
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DOI: 10.1080/10584587.2018.1445372
Abstract: ABSTRACT In this study, the effects of calcination temperature (600–900°C for 2 h) and sintering temperature (1100–1200°C for 2 h) on phase formation, microstructure and electrical properties of new 0.94(Bi0.5Na0.5TiO3)-0.06(Ba0.945Ca0.055)(Ti0.91Sn0.09)O3 (0.94BNT-0.06BCTS) lead-free piezoelectric ceramics were… read more here.
Keywords: lead free; 06bcts lead; temperature; 94bnt 06bcts ... See more keywords
Design and Development of a Low-Power Wireless MEMS Lead-Free Piezoelectric Accelerometer System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3242016
Abstract: In this article, a complete 3-D integrated sensing system intended for practical applications was presented on a printed circuit board (PCB) board, starting with lead-free piezoelectric films deposited using an RF sputtering system, an MEMS… read more here.
Keywords: system; lead free; power wireless; low power ... See more keywords
Thermal Sprayed Lead-Free Piezoelectric Ceramic Coatings for Ultrasonic Structural Health Monitoring
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2022.3176488
Abstract: Structural health monitoring (SHM) is growing rapidly with strong demand from industrial automation, digital twins, and Internet of Things (IoT). In contrast to the manual installation of discrete devices, piezoelectric transducers by directly coating and… read more here.
Keywords: lead free; structural health; health monitoring; piezoelectric ceramic ... See more keywords
Crystalline phase and electrical properties of lead‐free piezoelectric KNN‐based films with different orientations
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DOI: 10.1111/jace.14828
Abstract: Lead-free piezoelectric 0.915K0.5Na0.5NbO3-0.075BaZrO3-0.01Bi0.5Na0.5TiO3 (KNN-BZ-BNT) films were grown on Nb-doped SrTiO3 substrates with different orientations. The thin films show highly preferential orientations in accordance with the orientations of single crystalline substrates. The films all exhibit a… read more here.
Keywords: lead free; knn; crystalline phase; free piezoelectric ... See more keywords