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Piezoelectric hydrophones from Optimal Design, II: properties

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Abstract

Three-dimensional piezoelectric PZT-air artificial materials, designed using the Optimal Design by the Homogenization Method, with predicted hydrostatic piezoelectric coefficient of 427 pC/N and a hydrophone figure of merit of 29 pm2/N were realized and measured. The measured hydrostatic piezoelectric coefficient was 329 pC/N and a hydrophone figure of merit was19 pm2/N. The differences between predicted and observed properties were ascribed to insufficient polarization, due to the field distribution during poling.

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Acknowledgements

This research was supported by the US National Science Foundation, under Grant 9972620. The electric field simulations were performed with the assistance of Dr. William J. Chappell of the University of Michigan Department of Electrical Engineering and Computer Science.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI, USA

    Christopher J. Reilly & John W. Halloran

  2. Department of Mechatronics and Mechanical Systems Engineering, Escola Politécnica, University of São Paulo, Sao Paulo, Brazil

    Emilio C. N. Silva

  3. Instituto de Acústica, Consejo Superior de Investigationes Cientificas, Madrid, Spain

    Francisco Montero de Espinosa

Authors
  1. Christopher J. Reilly
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  2. John W. Halloran
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  3. Emilio C. N. Silva
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  4. Francisco Montero de Espinosa
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Corresponding author

Correspondence to John W. Halloran.

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Reilly, C.J., Halloran, J.W., Silva, E.C.N. et al. Piezoelectric hydrophones from Optimal Design, II: properties. J Mater Sci 42, 4810–4814 (2007). https://doi.org/10.1007/s10853-006-0735-y

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  • DOI: https://doi.org/10.1007/s10853-006-0735-y

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