Electrical and magnetic properties of Fe-based bulk metallic glass with minor Co and Ni addition

H. Y. Jung, M. Stoica, S. Yi, D. H. Kim, J. Eckert

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Abstract

The effect of minor Co and Ni alloying on soft magnetic properties and electrical resistivity of Fe75.5C7.0Si3.3B 5.5P8.7 (at%) bulk metallic glass has been investigated. Within examined compositional range (Co and Ni up to 4 at%, respectively), the saturation magnetization and electrical resistivity of the alloys continuously decrease with increasing Co or Ni content, while the Curie temperature and initial permeability increase. Comparing the effect of Co and Ni additions, the alloys with Co addition have much higher Curie temperature and saturation magnetization than the alloy with Ni addition. Also, the Co-added alloys show smaller coercivity and larger permeability than the Ni-added alloys. The present results suggest that minor addition of Co can provide better effectiveness to enhance the magnetic softness of Fe-based BMGs than minor Ni addition.

Original languageEnglish
Pages (from-to)80-84
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume364
DOIs
Publication statusPublished - 2014 Sep

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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