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Title: HIP synthesis of η-carbide-type nitrides Fe3W3N and Fe6W6N and their magnetic properties
Authors: Waki, T.  kyouindb  KAKEN_id
Terazawa, S.
Tabata, Y.  kyouindb  KAKEN_id
Murase, Y.
Kato, M.
Hirota, K.
Ikeda, S.
Kobayashi, H.
Sato, K.
Kindo, K.
Nakamura, H.  kyouindb  KAKEN_id
Author's alias: 和氣, 剛
Keywords: Nitride materials
Gas–solid reactions
Sintering
Magnetisation
High magnetic field
Mössbauer spectroscopy
Issue Date: Sep-2011
Publisher: Elsevier B.V.
Journal title: Journal of Alloys and Compounds
Volume: 509
Issue: 39
Start page: 9451
End page: 9455
Abstract: We have succeeded in synthesising iron–tungsten nitrides using the hot isostatic pressing (HIP) method and have measured their magnetic properties. Two η-carbide-type iron–tungsten nitrides with lattice constants a = 11.043(1) and 10.937(2) Å were synthesised directly from metal elements under high-pressure nitrogen gas. Their compositions are expected to be Fe3W3N and Fe6W6N in analogy with other η-carbide-type compounds. Fe3W3N is a ferromagnet with a Curie temperature TC = 110 K and a saturation moment PS = 0.78μB/Fe, whereas Fe6W6N is an antiferromagnet with a Néel temperature TN = 75 K and shows a metamagnetic transition at around 25 T.
Rights: © 2011 Elsevier B.V.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/147241
DOI(Published Version): 10.1016/j.jallcom.2011.07.025
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