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Piezoelectric films for high frequency ultrasonic transducers in biomedical applications

Open access
Zhou, Qifa, Lau, Sienting, Wu, Dawei, Kirk Shung, K.·2011·Progress in Materials Science

Abstract

Piezoelectric films have recently attracted considerable attention in the development of various sensor and actuator devices such as nonvolatile memories, tunable microwave circuits and ultrasound transducers. In this paper, an overview of the state of art in piezoelectric films for high frequency transducer applications is presented. Firstly, the basic principles of piezoelectric materials and design considerations for ultrasound transducers will be introduced. Following the review, the current status of the piezoelectric films and recent progress in the development of high frequency ultrasonic transducers will be discussed. Then details for preparation and structure of the materials derived from piezoelectric thick film technologies will be described. Both chemical and physical methods are included in the discussion, namely, the sol–gel approach, aerosol technology and hydrothermal method. The electric and piezoelectric properties of the piezoelectric films, which are very important for transducer applications, such as permittivity and electromechanical coupling factor, are also addressed. Finally, the recent developments in the high frequency transducers and arrays with piezoelectric ZnO and PZT thick film using MEMS technology are presented. In addition, current problems and further direction of the piezoelectric films for very high frequency ultrasound application (up to GHz) are also discussed.

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Metadata

Authors
Zhou, Q., Lau, S., Wu, D., & Kirk Shung, K.
Venue
Progress in Materials Science
Publisher
Elsevier BV
Published
2011-02
Volume
56
Issue
2
Pages
139-174
ISSN
0079-6425 (ISSN-L)
OpenAlex
W1970178350
Cited by
377
References
26
FWCI
4.79
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Piezoelectric films for high frequency ultrasonic transducers in biomedical applications. https://app.cochat.ai/papers/10.1016/j.pmatsci.2010.09.001
The paper
Zhou, Q., Lau, S., Wu, D., & Kirk Shung, K. (2011). Piezoelectric films for high frequency ultrasonic transducers in biomedical applications. Progress in Materials Science. https://doi.org/10.1016/j.pmatsci.2010.09.001

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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