Publication: Energy Harvesting Potential of Lead Free NBT-BZT Piezoelectric Ceramics
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In this study, Zr doped NBT-BZT(94Na<inf>0.5</inf>Bi<inf>0.5</inf> TiO<inf>3</inf>-6BaZr<inf>x</inf>T<inf>1-x</inf>O<inf>3</inf>) (x=0.1) powder was synthesis with solid-state method. The sintering process was carried out at between 1035 to 1180°C in air for 2h. The crystal phase and microstructure of the ceramics were characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The influence of Zr content on the piezoelectric and energy harvesting performance were investigated and compared with PZT4, PZT5H. Ferroelectric and piezoelectric properties of NBT-BZT ceramics were obtained with impedance/gain phase analyzer. The results showed that, the best electrical properties were obtained at 1150°C. Also, energy harvesting potential of cymbal form of NBT-BZT materials were greater than disc (bulk) form. © 2014 IEEE.
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-- 2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices and Workshop on Piezoresponse Force Microscopy, ISAF/IWATMD/PFM 2014 -- 2014-05-12 through 2014-05-16 -- State College -- 108512
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5
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8