Abstract:
:Zirconium compounds has been widely attention over the last decades due to its excellent physical and chemical properties. Zirconium nitride nanopowders were synthesized via a simple direct carbothermic nitridation process of internal gel derived zirconia in the presence of nano-sized carbon black. The effects of reaction temperature, dwell time and molar ratio of carbon black to Zr (C/Zr) on the phase composition, grain size and crystal parameters of products were studied. Based upon the analysis of crystallite phase evolution and microstructure characterization, it was found that zirconium oxynitride is intermediate product and then O atoms in oxynitride were extracted by oxygen getter, carbon black. Anion sites were directly replaced by N atoms to form rock-salt type nitride in carbothermic nitridation process.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Zhao S,Ma J,Xu R,Lin X,Cheng X,Hao S,Zhao X,Deng C,Liu Bdoi
10.1038/s41598-019-55450-xsubject
Has Abstractpub_date
2019-12-16 00:00:00pages
19199issue
1issn
2045-2322pii
10.1038/s41598-019-55450-xjournal_volume
9pub_type
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