Polycrystalline Silicon Nitride Fibers by SHS: Impact of Ammonium Acetate and Ferric Chloride Additives


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Abstract

Impact of ammonium acetate and ferric chloride additives on the SHS of polycrystalline silicon nitride fibers in nitrogen gas was investigated by XRD, SEM, and EDS. Our results suggest that the metallic drops formed in reactions of gaseous СО, SiО, and Si with Fe on the surface of the Fe–Si–С globules are capable of initiating the growth of 1D nanocrystals by the VLS–root mechanism.

About the authors

T. V. Barinova

Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN)

Author for correspondence.
Email: tbarinova@ism.ac.ru
Russian Federation, Chernogolovka, Moscow

I. P. Borovinskaya

Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN)

Email: tbarinova@ism.ac.ru
Russian Federation, Chernogolovka, Moscow

Yu. N. Barinov

Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN)

Email: tbarinova@ism.ac.ru
Russian Federation, Chernogolovka, Moscow

I. D. Kovalev

Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN)

Email: tbarinova@ism.ac.ru
Russian Federation, Chernogolovka, Moscow

A. S. Shchukin

Merzhanov Institute of Structural Macrokinetics and Materials Science (ISMAN)

Email: tbarinova@ism.ac.ru
Russian Federation, Chernogolovka, Moscow

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