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Title: Lead-free piezoelectric-metal-cavity (PMC) actuators
Authors: Lam, KH
Lin, D
Kwok, KW 
Chan, HLW 
Keywords: Piezoelectric devices
Piezoelectric ceramics
Issue Date: Aug-2008
Publisher: IEEE
Source: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Aug. 2008, v. 55, no. 8, p.1682-1685 How to cite?
Journal: IEEE transactions on ultrasonics, ferroelectrics, and frequency control 
Abstract: A piezoelectric piezoelectric-metal-cavity (PMC) actuator was reported previously that can exhibit a large flexural displacement. In this paper, a lead-free piezoelectric ceramic was used as a driving element of the PMC actuator. Bi[sub 0.5](Na[sub 0.725]K[sub 0.175]Li[sub 0.1])[sub 0.5]TiO₃ (abbreviated as BNKLT) is a soft-type piezoelectric ceramic with good piezoelectric properties at room temperature. Both the electrical and mechanical properties of the BNKLT PMC actuator were measured. With good piezoelectric coefficients and low density, the BNKLT ceramic has the potential to be used as the driving element of the lead-free actuator.
ISSN: 0885-3010
DOI: 10.1109/TUFFC.2008.853
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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