The composition dependence of the structural and magnetic properties in Fe92-xBxZr7Cu1 nanocrystals

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Abstract

Melt-quenched amorphous Fe92-xBxZr7Cu1(2 ≤ x ≤ 23) ribbons were heat treated to the end of the first crystallization stage. The size of the BCC grains decreases from 20 to 6 nm with increasing B content, while the average thickness of the residual amorphous phase stays approximately constant at about 4 nm. The nanocrystalline BCC phase contains 2-4 at% of dissolved B and Zr, which is also reflected in its modified Curie temperature. The average composition of the residual amorphous regions in the nanocrystalline composite was established as Fe2(B1-yZry), which makes possible a direct comparison of macro- and nanophases of close composition.

Original languageEnglish
Pages (from-to)268-271
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume215-216
DOIs
Publication statusPublished - Jan 1 2000
Event14th International Symposium on Soft Magnetic Materials (SMM14) - Balatonfured, Hungary
Duration: Sep 8 1999Sep 10 1999

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Keywords

  • BCC phase
  • Mössbauer spectroscopy
  • Nanocrystals
  • Residual amorphous phase

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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