Magnetoelectric macro fiber composite

Ronnie Varghese, Shree Narayanan, Donald Leber, Ravindranath Viswan, Mingkai Mu, Mohan Sanghadasa, Shashank Priya

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

This paper describes the fabrication and performance results of a magnetoelectric macro fiber composite (ME MFC). The magnetoelectric composite was fabricated by bonding a magnetostrictive layer to a piezoelectric layer using a novel approach of low temperature transient liquid phase (LTTLP) bonding. The composite was diced into 150 micron wide fibers and bonded to a custom designed copper flexible circuit using a spin coated low viscosity room temperature curing epoxy. ME MFC's with varying ferrite thicknesses of 0.6 mm and 0.5 mm were fabricated and characterized for energy harvesting. The composite with 0.6 mm ferrite thickness achieved an open circuit voltage of 101 mV (ME voltage coefficient of 6740 mV/cmOe) and peak power of 3.1 nW across 356 kΩ matching load at 264 Hz.

Original languageEnglish (US)
Article number9328
Pages (from-to)64-70
Number of pages7
JournalSensors and Actuators, A: Physical
Volume235
DOIs
StatePublished - Nov 1 2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering

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