Preparation of solid-solution type Fe-Co nanoalloys by synchronous deposition of Fe and Co using dual arc plasma guns

Masaaki Sadakiyo; Minako Heima; Tomokazu Yamamoto; Syo Matsumura; Masashi Matsuura; Satoshi Sugimoto; Kenichi Kato; Masaki Takata; Miho Yamauchi

doi:10.1039/c5dt02815a

Preparation of solid-solution type Fe-Co nanoalloys by synchronous deposition of Fe and Co using dual arc plasma guns

Masaaki Sadakiyo, Minako Heima, Tomokazu Yamamoto, Syo Matsumura, Masashi Matsuura, Satoshi Sugimoto, Kenichi Kato, Masaki Takata, Miho Yamauchi

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13 Citations (Scopus)

Abstract

We succeeded in the efficient preparation of well-dispersed Fe-Co nanoalloys (NAs) using the arc plasma deposition method. Synchronous shots of dual arc plasma guns were applied to a carbon support to prepare the solid-solution type Fe-Co NAs having an approximately 1 : 1 atomic ratio. The alloy structures with and without a reductive thermal treatment under a hydrogen atmosphere were examined using X-ray powder diffraction, scanning transmission electron microscopy (STEM) combined with energy-dispersive X-ray analysis, high resolution STEM, and magnetic measurements, suggesting that highly crystalline spherical particles of ordered B2-type Fe-Co NAs form by the thermal treatment of the deposited grains.

Original language	English
Pages (from-to)	15764-15768
Number of pages	5
Journal	Dalton Transactions
Volume	44
Issue number	36
DOIs	https://doi.org/10.1039/c5dt02815a
Publication status	Published - Aug 10 2015

All Science Journal Classification (ASJC) codes

Inorganic Chemistry

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10.1039/c5dt02815a

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abstract = "We succeeded in the efficient preparation of well-dispersed Fe-Co nanoalloys (NAs) using the arc plasma deposition method. Synchronous shots of dual arc plasma guns were applied to a carbon support to prepare the solid-solution type Fe-Co NAs having an approximately 1 : 1 atomic ratio. The alloy structures with and without a reductive thermal treatment under a hydrogen atmosphere were examined using X-ray powder diffraction, scanning transmission electron microscopy (STEM) combined with energy-dispersive X-ray analysis, high resolution STEM, and magnetic measurements, suggesting that highly crystalline spherical particles of ordered B2-type Fe-Co NAs form by the thermal treatment of the deposited grains.",

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T1 - Preparation of solid-solution type Fe-Co nanoalloys by synchronous deposition of Fe and Co using dual arc plasma guns

AU - Sadakiyo, Masaaki

AU - Heima, Minako

AU - Yamamoto, Tomokazu

AU - Matsumura, Syo

AU - Matsuura, Masashi

AU - Sugimoto, Satoshi

AU - Kato, Kenichi

AU - Takata, Masaki

AU - Yamauchi, Miho

PY - 2015/8/10

Y1 - 2015/8/10

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AB - We succeeded in the efficient preparation of well-dispersed Fe-Co nanoalloys (NAs) using the arc plasma deposition method. Synchronous shots of dual arc plasma guns were applied to a carbon support to prepare the solid-solution type Fe-Co NAs having an approximately 1 : 1 atomic ratio. The alloy structures with and without a reductive thermal treatment under a hydrogen atmosphere were examined using X-ray powder diffraction, scanning transmission electron microscopy (STEM) combined with energy-dispersive X-ray analysis, high resolution STEM, and magnetic measurements, suggesting that highly crystalline spherical particles of ordered B2-type Fe-Co NAs form by the thermal treatment of the deposited grains.

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Preparation of solid-solution type Fe-Co nanoalloys by synchronous deposition of Fe and Co using dual arc plasma guns

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