Magnetoelastic/piezoelectric laminated structures for tunable remote contactless magnetic sensing and energy harvesting

Peter Finkel, Samuel E. Lofland, Ed Garrity

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

In this letter, we report a method for a tunable magnetic field sensor based on the magnetoelastic coupling properties of a magnetoelastic/ piezoelectric laminated composite structure. The magnetically and elastically tunable, flexural resonant mode in the bimorph FeNi36% (invar)/polyvinylidene fluoride clamped bilayer has been investigated by Doppler laser spectroscopy. Here we demonstrate that this bimorph structure can be used for low-frequency contactless detection of magnetic field fluctuation and magnetic field monitoring.

Original languageEnglish (US)
Article number072502
JournalApplied Physics Letters
Volume94
Issue number7
DOIs
StatePublished - 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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