Ammonolysis of magnesiothermic tantalum powders

Ammonolysis of magnesiothermic tantalum powders

Tantalum nitrides are synthesized by ammonolysis of a mesoporous magnesiothermic tantalum powders. The effect of specific surface area of the powders and synthesis temperature on product composition is shown. Nitrogen content in the ammonolysis product of tantalum powder with a specific surface area...

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Veröffentlicht in:Russian journal of inorganic chemistry 2017, Vol.62 (1), p.33-38
Hauptverfasser: Orlov, V. M., Kuznetsov, V. Ya, Osaulenko, R. N.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Metal powders
Oxynitrides
Specific surface
Synthesis and Properties of Inorganic Compounds
Tantalum nitrides
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Zusammenfassung:Tantalum nitrides are synthesized by ammonolysis of a mesoporous magnesiothermic tantalum powders. The effect of specific surface area of the powders and synthesis temperature on product composition is shown. Nitrogen content in the ammonolysis product of tantalum powder with a specific surface area of 56 m 2 g –1 corresponds to oxynitride TaON exposed to 600°C for 1 h. The specific surface area of the oxynitride is 35 m 2 g –1 .
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023617010132