Volume 36 Issue 2
Mar.  2016
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LÜ Weiwei, WANG Jindong, ZHAO Hua. Design of Magnetometer Based on GMI Effect in Fe-based Nano-crystalline Ribbon[J]. Chinese Journal of Space Science, 2016, 36(2): 215-220. doi: 10.11728/cjss2016.02.215
Citation: LÜ Weiwei, WANG Jindong, ZHAO Hua. Design of Magnetometer Based on GMI Effect in Fe-based Nano-crystalline Ribbon[J]. Chinese Journal of Space Science, 2016, 36(2): 215-220. doi: 10.11728/cjss2016.02.215

Design of Magnetometer Based on GMI Effect in Fe-based Nano-crystalline Ribbon

doi: 10.11728/cjss2016.02.215
  • Received Date: 2015-01-21
  • Rev Recd Date: 2015-09-14
  • Publish Date: 2016-03-15
  • The magnetometer based on Giant Magneto-Impedance (GMI) effect becomes one of the hottest points on magnetometer research in recent years. Compared with other magnetometers, GMI magnetometer has the advantages of miniaturization, high sensitivity, quick response, high temperature stability and low power consumption. Based on the sensitive material of Fe-based nano-crystalline ribbon, a GMI probe and subsequent signal processing circuit have been designed and realized to compose a GMI magnetometer. Experimental results suggest that in the magnetic field ranging from-25000nT to 25000nT, the sensitivity is 0.176mV·nT-1, which attains the measurement requirement of a weak magnetic field. The magnetometer has advantages of small size and low power consumption so that could be used in space magnetic field measurement.

     

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