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No.1(pp.1-37)

Home > Issues > Volume 4 (1999) > No.1(pp.1-37)

Partitioning of Si in Fe-Zr-Si-B Nanocrystalline Alloys

Journal of Magnetics, Volume 4, Number 1, 31 Mar 1999, Pages 1-4

A. Slawska Waniewska(Institute of Physics, Polish Academy of Sciences), J. M. Greneche(Laboratoire de Physique), A. Inoue(Institute for Materials Research, Tohoku University)

Abstract

The microstructure and magnetic properties of Fe₈₇Zr₇Si₄B₂ nanocrystalline alloys were studied by magnetization measurements and MÖssbauer spectrometry over a wide temperature range. Three well resolved spectral components have been found and attributed to bcc-Fe grains (with almost pure iron structure), residual amorphous matrix enriched with solute elements and interfaces formed at the grain-matrix boundaries. It has been shown that, contrary to the expectation, during crystallization the atomic segregation occurs leading to the formation of primary bcc-Fe grains and the partition of Si atoms into the residual amorphous matrix.

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