Microstucture, dielectric properties and impedance analysis of NaBixTi6O12.5+1.5x lead-free ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-019-01425-7
Abstract: Lead-free NaBixTi6O12.5+1.5x ceramics (x = 0.98, 0.99, 1.01, 1.02) with a pseudo-perovskite structure were prepared via the traditional solid-phase reaction. The structure, dielectric properties and impedance spectroscopy of the NaBixTi6O12.5+1.5x ceramics were investigated in detail. X-ray diffraction… read more here.
Keywords: lead free; nabixti6o12 ceramics; dielectric properties; nabixti6o12 lead ... See more keywords
Dielectric and ferroelectric properties of (Bi0.5Na0.5)0.94-δBa0.06Ti1−xNbxO3 lead-free ceramics
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-04660-5
Abstract: Lead-free ceramics (Bi0.5Na0.5)0.94-δBa0.06Ti1−xNbxO3 (x = 0, 0.01, 0.02, 0.03, 0.04, 0.05) were prepared via a solid-state sintering method. The ceramics exhibit pure perovskite structure as x ≤ 0.04, while the ceramic with x = 0.05 has a secondary phase. The rhombohedral… read more here.
Keywords: bi0 5na0; lead free; free ceramics; 06ti1 xnbxo3 ... See more keywords
Thermal Expansion and Electrical Characteristics of Ba(1−x)CaxTi0.92Zr0.08O3 Lead-Free Ceramics Prepared by a Modified Pechini Method
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-018-6572-3
Abstract: Ba(1−x)CaxTi0.92Zr0.08O3 (BTZ-xCa; x = 0–0.20) lead-free ceramics were prepared at a low temperature of 1210°C using as-synthesized nanoparticles through a modified Pechini method. The structure, permittivity, ferroelectricity, piezoelectricity, and thermal expansion characteristics of the ceramics that were… read more here.
Keywords: 92zr0 08o3; lead free; caxti0 92zr0; expansion ... See more keywords
Fabrication of Bi0.5(Na0.4K0.1)TiO3 Lead-Free Ceramics Using Reactive Templated Grain Growth Method for Improving Their Preferred Degree of Orientation, Dielectric, and Ferroelectric Properties
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-020-08396-0
Abstract: A Bi4Ti3O12 template was added to the (1 − x)[Bi0.5(Na0.4K0.1)TiO3]-xBi4Ti3O12 ceramics (BNKT; where x = 0, 0.1, 0.15, 0.20, 0.25, and 0.30) and lead-free ceramics were produced by tape casting to improve their dielectric and ferroelectric properties. X-ray diffraction… read more here.
Keywords: lead free; na0 4k0; free ceramics; dielectric ferroelectric ... See more keywords
Enhanced temperature stable dielectric properties and energy-storage density of BaSnO3-modified (Bi0.5Na0.5)0.94Ba0.06TiO3 lead-free ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.06.237
Abstract: Abstract A series of (1- x )(Bi 0.5 Na 0.5 ) 0.94 Ba 0.06 TiO 3 - x BaSnO 3 (BNBT-100 x BSN, x = 0–20) lead-free ceramics were synthesized using a conventional high-temperature solid-state reaction… read more here.
Keywords: temperature; energy storage; free ceramics; lead free ... See more keywords
The enhanced piezoelectric property of (Li,K,Na)(Nb,Ta)O3 lead-free ceramics induced by rare earth oxide doping
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.03.370
Abstract: Abstract The ions doping engineering has already been proved to be an effective approach of adjusting the intrinsic properties of perovskite structured materials and even realizing some new functionality. The polymorphic phase transition effect was… read more here.
Keywords: lead free; property lead; property; free ceramics ... See more keywords
Large energy density with excellent stability in fine-grained (Bi0.5Na0.5)TiO3-based lead-free ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2019.05.056
Abstract: Abstract In this work, fine-grained (0.95-x)(Bi0.5Na0.5)TiO3-0.05BaTiO3-xBi(Zn2/3Nb1/3)O3 (abbreviated as BNT-BT-xBZN, x = 0∼0.20) lead-free ceramics are successfully prepared, showing a high energy storage performance. The addition of BZN results in decreased grain size, enhanced breakdown strength and stronger… read more here.
Keywords: free ceramics; energy density; energy; fine grained ... See more keywords
Dielectric and ferroelectric properties of Ba0.87Ca0.10La0.03Ti1-xSnxO3 lead-free ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2017.08.014
Abstract: Abstract Ba0.87Ca0.10La0.03Ti1-xSnxO3 (BCLTS) piezoelectric lead-free ceramics were fabricated by conventional solid-state sintering process at 1480 °C. The effects of Sn4+ substitution on microstructure and electrical properties of the ceramics were researched. All samples show a pure… read more here.
Keywords: ba0 87ca0; lead free; 10la0 03ti1; 87ca0 10la0 ... See more keywords
Structure, dielectric, and piezoelectric properties of K0.5Na0.5NbO3-based lead-free ceramics
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra04038a
Abstract: Lead-free ceramics based on the (1 − x)K0.5Na0.5NbO3–xBi(Zn0.5Ti0.5)O3 (KNN–BZT) system obtained via the conventional solid-state processing technique were characterized for their crystal structure, microstructure, and electrical properties. Rietveld analysis of X-ray diffraction data confirmed the… read more here.
Keywords: lead free; phase; temperature; 5na0 5nbo3 ... See more keywords
Broad-temperature-span and large electrocaloric effect in lead-free ceramics utilizing successive and metastable phase transitions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry A"
DOI: 10.1039/c9ta10164k
Abstract: We achieved a large electrocaloric effect over a broad temperature span in lead-free ceramics utilizing successive and metastable phase transitions. read more here.
Keywords: electrocaloric effect; lead free; broad temperature; free ceramics ... See more keywords
Large piezoelectricity in NaNbO3-based lead-free ceramics via tuning oxygen octahedral tilt.
Sign Up to like & getrecommendations! Published in 2022 at "Materials horizons"
DOI: 10.1039/d1mh01680f
Abstract: The development of high-performance lead-free piezoceramics for replacing Pb-based perovskites has attracted lots of attention, and comparable room-temperature piezoresponse has been realized in (Na,K)NbO3 and BaTiO3-based ceramics with local structure heterogeneity via adjusting polymorphic phase… read more here.
Keywords: oxygen octahedral; tilt; based lead; free ceramics ... See more keywords