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Applied Physics Letters / Volume 93 / Issue 22 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 93, 224102 (2008); http://dx.doi.org/10.1063/1.3040011 (3 pages)

Power generation and shunt damping performance of a single crystal lead magnesium niobate-lead zirconate titanate unimorph: Analysis and experiment

A. Erturk1, O. Bilgen2, and D. J. Inman2

1Department of Engineering Science and Mechanics, Center for Intelligent Material Systems and Structures, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
2Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA

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(Received 2 July 2008; accepted 8 November 2008; published online 2 December 2008)

This letter investigates the power generation and shunt damping performance of the single crystal piezoelectric ceramic lead magnesium niobate–lead zirconate titanate (PMN-PZT) analytically and experimentally. PMN-PZT is a recently developed interface for energy harvesting and shunt damping with its large piezoelectric constant (−2252 pm/V) and coupling coefficient (0.95) for the transverse piezoelectric mode. A unimorph PMN-PZT cantilever with an aluminum substrate is tested under base excitation and its electromechanical response is predicted with a coupled distributed parameter model. The power generation performance of the device is 138 μW/(g2 cm3) at 1744 Hz, causing 84% tip vibration attenuation due to the resistive shunt damping effect.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

lead compounds, piezoceramics, piezoelectric transducers, piezoelectricity

PACS

  • 77.65.Bn

    Piezoelectric and electrostrictive constants

  • 85.50.-n

    Dielectric, ferroelectric, and piezoelectric devices

  • 07.07.Mp

    Transducers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3040011

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    R. Zhang, B. Jiang, and W. Cao, J. Appl. Phys. 90, 3471 (2001)JAPIAU000090000007003471000001.

    H. Cao, V. H. Schmidt, R. Zhang, W. Cao, and H. Luo, J. Appl. Phys. 96, 549 (2004)JAPIAU000096000001000549000001.

    S. Zhang, S. M. Lee, D. H. Kim, H. Y. Lee, and T. R. Shrout, Appl. Phys. Lett. 90, 232911 (2007)APPLAB000090000023232911000001.

    S. Zhang, S. M. Lee, D. H. Kim, H. Y. Lee, and T. R. Shrout, J. Appl. Phys. 102, 114103 (2007)JAPIAU000102000011114103000001.


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