Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33878
Title: Lead-free piezoelectric ceramics for high-frequency ultrasound transducers
Authors: Wu, DW
Chen, RM
Zhou, QF
Lin, DM
Chan, HLW 
Shung, KK
Issue Date: 2007
Source: Proceedings - IEEE Ultrasonics Symposium, 2007, 4410225, p. 2590-2593 How to cite?
Abstract: This paper presents the latest development of lead-free piezoelectric ceramics and their application to the high frequency ultrasound transducers. Three kinds of lead-free piezoelectric ceramics [(K0.5Na 0.5)0.97Li0.03(Nb0.9Ta 0.1)O3, K0.5Na0.5(Nb 0.94Sb0.06)O3 + 0.5mol%MnO2 and K0.5Na0.5NbO3 + 0.5mol%MnO2] were fabricated and characterized. High frequency (40MHz) ultrasound transducers were successfully fabricated with these ceramics. The performance of the transducers were evaluated and compared with transducers fabricated from lead-based materials. The results suggest that lead-free piezoelectric materials in some degree may serve as an alterative to lead-based piezoelectric materials for high-frequency ultrasonic transducer applications.
Description: 2007 IEEE Ultrasonics Symposium, IUS, New York, NY, 28-31 October 2007
URI: http://hdl.handle.net/10397/33878
ISBN: 1424413834
9781424413836
ISSN: 1051-0117
DOI: 10.1109/ULTSYM.2007.652
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