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Magnetic properties of FeMn/Fe nanocomposites

Journal of Applied Physics, ISSN: 0021-8979, Vol: 95, Issue: 7, Page: 3649-3654
2004
  • 27
    Citations
  • 0
    Usage
  • 9
    Captures
  • 0
    Mentions
  • 0
    Social Media
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Metrics Details

  • Citations
    27
    • Citation Indexes
      27
  • Captures
    9

Article Description

Nanocomposite mixtures of ferromagnetic α-Fe and antiferromagnetic γ-FeMn were prepared and their structural and magnetic properties were determined. It was found that the sample consisting of a 1:1 mixture of the two materials showed enhanced coercivity, but almost negligible exchange bias at room temperature after cooling from 520 K. Result show that it is possible to produce nanocomposites consisting of mixtures of γ-FeMn and α-Fe nanoparticles with enhanced coercivity and a non-zero exchange bias after field cooling. It was also found that the amount of ferromagnetic material increased during the heat treatment in connection with the field cooling.

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