Synthesis and Characterization of L10-FeNi Powders

Y. Hayashi; S. Gotou; M. Mizuguchi; M. Kotsugi; Y. Kitou; E. Okuno; K. Takanashi

doi:10.3379/msjmag.1303R019

Thin Films, Fine Particles, Multilayers, and Superlattices

Synthesis and Characterization of L1₀-FeNi Powders

Y. Hayashi, S. Gotou, M. Mizuguchi, M. Kotsugi, Y. Kitou, E. Okuno, K. Takanashi

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Keywords: L1₀-FeNi, low-temperature-reduction, CaH₂, coercivity, powder, anomalous X-ray diffraction

JOURNAL FREE ACCESS

2013 Volume 37 Issue 3-2 Pages 198-201

DOI https://doi.org/10.3379/msjmag.1303R019

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Abstract

FeNi powders were synthesized by reductive reaction of iron nickel chloride below 320℃. Calcium hydride （CaH₂）was used as a reductant. The coercivity of synthesized powders depends on the amount of CaH₂, and the largest coercivity of 54 kA/m was obtained. The (001) diffraction line due to the L1₀ superstructure was observed by anomalous synchrotron X-ray diffraction using synchrotron radiation, indicating the formation of L1₀-FeNi.

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