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MAGNETOMETER BASED ON THE IMPEDANCE PHASE OF GMI SENSORS USING THE DMTD METHOD

D. M. Szwarcman, E. Costa Silva, C. R. Hall Barbosa, E. Costa Monteiro
  • Abstract:
    Giant Magnetoimpedance (GMI) sensors are a new family of magnetic sensing devices that show potential to detect ultra-weak magnetic fields. Recent studies demonstrated that phase-based GMI magnetometers can achieve very high sensitivities. This work aims at the development of an enhanced GMI magnetometer, based on a high resolution digital phase reading electronic circuit that makes use of the Dual Mixer Time Difference method, to read the impedance phase variations of GMI samples.
  • Keywords:
    impedance phase, giant magnetoimpedance, magnetic sensors, high resolution, DMTD
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  • DOI:
    _unreg_wc-2015.121

Event details:

  • IMEKO TC:
  • Event name:
    XXI IMEKO World Congress
  • Title:

    Measurement in Research and Industry

  • Place:
    Prague, CZECH REPUBLIC
  • Time:
    30 August 2015 - 04 September 2015