Study of the unusual increase in the curie temperature of the residual amorphous phase in nanocrystalline Fe90Zr7B 2Cu1

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Abstract

Nanocrystalline Fe90Zr7B2Cu1 with ferromagnetic BCC nanocrystals of about 10-20 nm size embedded in a residual amorphous matrix was produced from amorphous precursor by partial crystallization. A significant increase in the Curie temperature of the residual amorphous phase (TC) as compared to that of the amorphous precursor was found by combined bulk magnetic and Mössbauer measurements. The unusual increase of TC for alloys with different nanocrystalline fractions correlates with the quantity of the BCC phase.

Original languageEnglish
Pages (from-to)1410-1412
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
DOIs
Publication statusPublished - May 1 2004
EventProceedings of the International Conference on Magnetism - Rome, Italy
Duration: Jul 27 2003Aug 1 2003

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Keywords

  • Curie temperature
  • Magnetic material
  • Mössbauer effect
  • Nanocrystalline alloy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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