Dielectric relaxation, impedance spectra, temperature stability and electrical properties of Sr2MnSbO6-modified KNN ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-019-02606-0
Abstract: Lead-free (1−x)K0.5Na0.5NbO3-x mol%Sr2MnSbO6 (abbreviated as KNN–xSMS, x = 0, 1 and 2) piezoelectric ceramics were prepared using the conventional solid-state sintering method. The effects of SMS on the microstructure and electrical properties of the KNN ceramics are… read more here.
Keywords: stability electrical; knn ceramics; electrical properties; temperature stability ... See more keywords
Effects of post-annealing on electrical properties of CuF2·xH2O-doped KNN ceramics for rotary-linear ultrasonic motors
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.05.156
Abstract: Abstract Lead-free (K0.5Na0.5)NbO3 (KNN) ceramics were prepared using a novel sintering aid (CuF2·xH2O (x ≈ 2)) to investigate the effects of post-annealing temperature and atmosphere on oxygen vacancies, microstructure, and electrical properties. Post-annealing (K0.5Na0.5)NbO3 + 1.5 mol%… read more here.
Keywords: cuf2 xh2o; knn ceramics; effects post; post annealing ... See more keywords
Designing high energy storage performance BSZT-KNN ceramics
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DOI: 10.1016/j.ceramint.2021.04.071
Abstract: Abstract In this paper, relaxor ferroelectric Ba0.8Sr0.2Zr0.9Ti0.1O3–Na0.5K0·5NbO3 (BSZT-KNN) ceramics were achieved by designing microstructures and adding nano-additives. The fine grains (192 nm) and relaxor behaviour of the BSZT-KNN ceramics were enhanced by utilizing the BSZT@KNN powders.… read more here.
Keywords: knn; knn ceramics; energy storage; bszt knn ... See more keywords
Coexistence of electric polarization and magnetic ordering in acceptor doped potassium sodium niobate (KNN) ceramics
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DOI: 10.1088/2053-1591/aacf28
Abstract: Lead-free single-phase multiferroic K0.5Na0.5Nb1−xFexO3 (x = 0.02, 0.03, 0.04, 0.05) ceramics have been synthesized by solid-state reaction method to explore the simultaneous existence of ferroelectric and magnetic order. X-ray diffraction analysis of the samples confirms… read more here.
Keywords: coexistence electric; knn ceramics; knn; magnetic ordering ... See more keywords
Piezo and pyroelectricity in spark plasma sintered potassium sodium niobate (KNN) ceramics
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2020.008820
Abstract: We report fabrication and piezo- and pyroelectric characterizations of spark plasma sintered (SPS) lead-free K0.5Na0.5NbO3 (KNN) ceramics. SPS sintering produced dense KNN (99% of the theoretical density) at sintering temperature as low as 900°C. A… read more here.
Keywords: piezo pyroelectricity; knn; knn ceramics; spark plasma ... See more keywords