54 resources related to Lead-free Piezoelectrics
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2015 IEEE International Ultrasonics Symposium (IUS)
Annual meeting of the UFFC Society that is being held regularly. It is focusing on ultrasonics.
2014 Joint IEEE International Symposium on the Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM)
This conference covers the development of ferroelectric materials for a wide range of applications, including piezoelectrics, dielectrics, electro-optics, pyroelectrics, flexoelectrics, energy harvesting, non-volatile memory, and logic elements.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control was the number-three journal in acoustics in 2002, according to the annual Journal Citation Report (2002 edition) published by the Institute for Scientific Information. This publication focuses on the theory, design, and application on generation, transmission, and detection of bulk and surface mechanical waves; fundamental studies in physical acoustics; design of sonic ...
Taghaddos, E.; Hejazi, M.; Safari, A. Applications of Ferroelectric and Workshop on the Piezoresponse Force Microscopy (ISAF/PFM), 2013 IEEE International Symposium on the, 2013
In this paper, the processing and electrocmechanical of Mn-doped BNT-based ceramics prepared by mixed oxide route have been studied. Different amounts of Mn (0.01, 0.014, 0.015, 0.016, 0.017, 0.02, and 0.022) were doped to the 0.88[Bi0.5Na0.5TiO3]-0.08[Bi0.5K0.5TiO3]-0.04[Bi0.5Li0.5TiO3] ceramics. Samples were sintered at different temperatures (1075-1150 °C) to achieve the highest density and mechanical quality factor. Mn-doping resulted in a considerable enhancement ...
Zhang, Shujun; Jong Bong Lim,; Hyeong Jae Lee,; Xia, Ru; Shrout, Thomas R. Applications of Ferroelectrics, 2008. ISAF 2008. 17th IEEE International Symposium on the, 2008
Lead free materials 0.95(K0.5Na0.5)NbO3-0.05LiSbO3 modified by CaTiO3 (CT) (1??3wt%) have been synthesized by conventional sintering. All samples exhibited pure perovskite phase with a tetragonal structure at room temperature. The Curie temperature was found to decrease with increasing CT addition in KNN-LS ceramics, while the orthorhombic to tetragaonl polymorphic phase transition was found to shift further downward from room temperature to ...
Pardo, L.; Garcia, A.; Brebol, K.; Mercadelli, E.; Galassi, C. Applications of Ferroelectrics held jointly with 2012 European Conference on the Applications of Polar Dielectrics and 2012 International Symp Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials (ISAF/ECAPD/PFM), 2012 Intl Symp, 2012
Undoped (Bi0.5Na0.5)0.96Ba0.04TiO3 ceramics were prepared from mixed oxides and sol-gel autocombustion powder. Similar dielectric and electromechanical properties were found for both but sol-gel derived ceramics can be obtained with a lower thermal budget, which prevent losses of volatiles. Dielectric anisotropy is observed. All the features of the thermal evolution curves of εT11 are observed at temperatures clearly displaced towards higher ...
Slodczyk, A.; Gouadec, G.; Colomban, P.; Pham-Thi, M. Applications of Ferroelectric and Workshop on the Piezoresponse Force Microscopy (ISAF/PFM), 2013 IEEE International Symposium on the, 2013
Piezoelectric PMN-PIN-PT as well as lead-free KN and KNL-NST analogues in the form of single crystals or textured ceramics were investigated as a function of temperature and/or applied stress using Raman spectroscopy and dilatometry. The results reveal: 1) the 1st order character of the 120°C-transition in PMN- PIN-PT; 2) a previously unreported stress dependent phase transition in KN at 70°C; ...
Jeong, S.J.; Kim, M.S.; Jang, S.M.; Kim, I.S.; Saleem, M. Applications of Ferroelectric, International Symposium on Integrated Functionalities and Piezoelectric Force Microscopy Workshop (ISAF/ISIF/PFM), 2015 Joint IEEE International Symposium on the, 2015
We investigated the temperature- and frequency-dependent polarization and strain of two Bismuth-based perovskite composites. A matrix material was chosen as 0.74Bi0.5Na0.5TiO3 -0.26SrTiO3 (BNT-ST) which have a transition point of 60 °C from relaxor to ferroelectric phase (TR-F). An inclusion material was Bi0.5(Na0.8K0.2)0.5TiO3 (BNKT) possessing the TR-F of 120 °C. Depending on test temperature, the different polarization and strain behaviors were ...
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