Magnetoelectric laminate based DC magnetic field sensor

Makarand Karmarkar, Shuxiang Dong, Jiefang Li, Dwight Viehland, Shashank Priya

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

We report on a DC magnetic field sensor that utilizes magnetoelectric (ME) laminate composites. It consists of a ring-dotpiezoelectric transformer laminated to a magnetostrictive disc. When a constant voltage is applied to the ring section of the piezoelectric layer at resonance, a stress is induced in the dot section. Then, if an external magnetic object is introduced in the vicinity of the dot section, the effective elastic stiffness is increased, altering the resonance frequency.

Original languageEnglish (US)
Pages (from-to)108-110
Number of pages3
JournalPhysica Status Solidi - Rapid Research Letters
Volume2
Issue number3
DOIs
StatePublished - Dec 1 2008

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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