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GMI effect in amorphous and nanocrystalline magnetic materials

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Volume
327
Identifiers
DOI: 10.1016/s0921-4526(02)01748-9
Keywords
  • Amorphous Materials
  • Nanocrystalline
  • Magnetoimpedance
  • Colpitts Generator

Abstract

Abstract Co 75Fe 5Si 12B 8 and Fe 73.5Nb 3CuB 9Si 13.5 ribbons, showing the high magnetoimpedance effect of about 50% under an applied field of 56 Oe, have been obtained by rapid quenching in air. The Co-based ribbons, used as a magnetoimpedance sensor in a simple magnetic field measurement circuit based on a Colpitts high-frequency generator, showed a field sensitivity of 1.2 mV/Oe.

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