Interstitial nitrides revisited – A simple synthesis of M^sub x^Mo^sub 3^N (M = Fe, Co, Ni)

The efficient synthesis of polycrystalline filled beta-Mn structured Ni2Mo3N, and the eta-carbides Fe3Mo3N and Co3Mo3N, by a single heating of metal powders at 975 °C under a hydrogen-nitrogen mixture is reported. Rietveld analysis of high-resolution X-ray powder diffraction data shows that the redu...

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Bibliographic Details
Published in:Journal of alloys and compounds 2019-02, Vol.774, p.69
Main Authors: Conway, Jack O, Prior, Timothy J
Format: Article
Language:English
Subjects:
Analysis
Catalysis
Diffraction
Manganese
Metal powders
Molybdates
Molybdenum
Nickel compounds
Nitrogen
Polycrystals
Synthesis
X ray powder diffraction
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Summary:The efficient synthesis of polycrystalline filled beta-Mn structured Ni2Mo3N, and the eta-carbides Fe3Mo3N and Co3Mo3N, by a single heating of metal powders at 975 °C under a hydrogen-nitrogen mixture is reported. Rietveld analysis of high-resolution X-ray powder diffraction data shows that the reduction-nitridation of NiMoO4 produces Ni2Mo3N and nickel; Ni3Mo3N is not obtained in this way and its existence is disproved.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2018.09.307