Magnetostrictive stress reconfigurable thin film resonators for near direct current magnetoelectric sensors

Jillian Kiser, Ron Lacomb, Konrad Bussmann, Christopher J. Hawley, Jonathan E. Spanier, Xin Zhuang, Christophe Dolabdjian, Sam Lofland, Peter Finkel

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The magnetic response of microdevices is significantly enhanced at structural resonance allowing for improved sensitivity and signal-to-noise ratio. Here, free-standing thin film CoFe bridge resonators have been fabricated and investigated. It is shown that the strong magnetic field dependence of the fundamental resonance frequency is a function of magnetic field orientation due to stress-induced anisotropy. These devices may offer a new approach for developing fully integrated resonant magnetic field sensing technology.

Original languageEnglish (US)
Article number072408
JournalApplied Physics Letters
Volume104
Issue number7
DOIs
StatePublished - Feb 17 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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