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Issue 12, 2014
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Gas phase preparation of spherical core–shell α′′-Fe16N2/SiO2 magnetic nanoparticles

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Abstract

Well-dispersed spherical core–shell α′′-Fe16N2/SiO2 ferro-magnetic nanoparticles were successfully synthesized from core–shell α-Fe/SiO2 nanoparticles. Introduction of oxidation prior to the nitridation process gives 90% of α′′-Fe16N2 phase contained in the core while no phase change is observed without oxidation. Saturation magnetization and coercivity are 148 emu g−1 and 1.82 kOe, respectively.

Graphical abstract: Gas phase preparation of spherical core–shell α′′-Fe16N2/SiO2 magnetic nanoparticles

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Publication details

The article was received on 28 Dec 2013, accepted on 12 Apr 2014 and first published on 16 Apr 2014


Article type: Communication
DOI: 10.1039/C3NR06867F
Citation: Nanoscale, 2014,6, 6487-6491
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    Gas phase preparation of spherical core–shell α′′-Fe16N2/SiO2 magnetic nanoparticles

    R. Zulhijah, A. B. Dani Nandiyanto, T. Ogi, T. Iwaki, K. Nakamura and K. Okuyama, Nanoscale, 2014, 6, 6487
    DOI: 10.1039/C3NR06867F

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