Nanoscale Trilayer Ni/Cu/Fe Investigation for MI Sensor Application

  • Sepideh Ghorbanian
  • Mahmood Rezaee Roknabadi
  • Sara Sadat ParhizgarEmail author
Technical Paper


In this study, the effect of magneto-impedance (MI) in three-layer structures was studied. Ni/Cu/Fe sandwiched films were prepared by thermal evaporation on glass substrates. MI sensor impedance as a function of external magnetic field and the driving frequency was measured. MI ratios were obtained as large as 68% and 95% at 5 MHz and 15 MHz, respectively. The results showed that the three-layer structures had a dramatic increase in performance with respect to the single-layer magneto-impedance films.


Magneto-impedance Magnetic sensor Skin effect Sandwich films 



This work was done at Ferdowsi University of Mashhad in supervision of Professor M. Rezaeian Roknabadi.


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Copyright information

© The Indian Institute of Metals - IIM 2019

Authors and Affiliations

  • Sepideh Ghorbanian
    • 1
  • Mahmood Rezaee Roknabadi
    • 2
  • Sara Sadat Parhizgar
    • 1
    Email author
  1. 1.Plasma Physics Research Center, Science and Research BranchIslamic Azad UniversityTehranIran
  2. 2.Department of Physics, Faculty of SciencesFerdowsi University of Mashhad (FUM)MashhadIran

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