Piezomagnetic coefficients of polymer bonded Co-ferrites

C. P. Sasso, M. Pasquale, L. Giudici, S. H. Lim, S. M. Na

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Experimental results concerning the scalar piezomagnetic coefficients of Co-based ferrites at room temperature are presented and discussed. To increase the mechanical properties, the ferrite powders are bonded by a phenol-based matrix. The Young's modulus of the samples is about 8 GPa. The permeability of the samples μzσ ( H ) and the slope of magnetostriction curve d33σ ( H ) at constant stress, which are the most important piezomagnetic coefficients for stress sensing and mechanical actuation, are discussed in detail with respect to sample density changes due to different content of binder and compaction pressure.

Original languageEnglish
Pages (from-to)159-162
Number of pages4
JournalSensors and Actuators, A: Physical
Issue number1-2 SPEC. ISS.
Publication statusPublished - 2006 May 24
Externally publishedYes


  • Magneto-elastic coupling
  • Magnetostrictive actuator
  • Stress sensor

ASJC Scopus subject areas

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


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