Characterization of Si3N4/SiC nanocomposite by Raman scattering and XPS

Woo Seok Cho; Yoon Suk Oh; Chang Sam Kim; Minoru Osada; Masato Kakihana; Dae Soon Lim; Deock Soo Cheong

doi:10.1016/S0925-8388(99)00007-9

Characterization of Si₃N₄/SiC nanocomposite by Raman scattering and XPS

Woo Seok Cho, Yoon Suk Oh, Chang Sam Kim, Minoru Osada, Masato Kakihana, Dae Soon Lim, Deock Soo Cheong

Honorary professors

Research output: Contribution to journal › Article

35 Citations (Scopus)

Abstract

We have synthesized Si₃N₄/SiC nanocomposites using a commercial polymer. The formed Si₃N₄/SiC nanocomposites have been studied using Raman scattering and X-ray photoelectron spectroscopy (XPS). The Raman scattering measurements showed that the formation of SiC started at 1200°C and that the main phase was 3C-SiC. The XPS results suggested that the SiC nanoparticles were formed by a chemical reaction of Si provided from Si₃N₄ with free carbon obtained by pyrolysis of polymer. The XPS results also indicated that residual carbon reacted with N₂ to form CN_x, which remained as an impurity phase in the final product.

Original language	English
Pages (from-to)	255-259
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	285
Issue number	1-2 Complete
DOIs	https://doi.org/10.1016/S0925-8388(99)00007-9
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Cho, W. S., Oh, Y. S., Kim, C. S., Osada, M., Kakihana, M., Lim, D. S., & Cheong, D. S. (1999). Characterization of Si₃N₄/SiC nanocomposite by Raman scattering and XPS. Journal of Alloys and Compounds, 285(1-2 Complete), 255-259. https://doi.org/10.1016/S0925-8388(99)00007-9

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title = "Characterization of Si3N4/SiC nanocomposite by Raman scattering and XPS",

abstract = "We have synthesized Si3N4/SiC nanocomposites using a commercial polymer. The formed Si3N4/SiC nanocomposites have been studied using Raman scattering and X-ray photoelectron spectroscopy (XPS). The Raman scattering measurements showed that the formation of SiC started at 1200°C and that the main phase was 3C-SiC. The XPS results suggested that the SiC nanoparticles were formed by a chemical reaction of Si provided from Si3N4 with free carbon obtained by pyrolysis of polymer. The XPS results also indicated that residual carbon reacted with N2 to form CNx, which remained as an impurity phase in the final product.",

author = "Cho, {Woo Seok} and Oh, {Yoon Suk} and Kim, {Chang Sam} and Minoru Osada and Masato Kakihana and Lim, {Dae Soon} and Cheong, {Deock Soo}",

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AU - Cho, Woo Seok

AU - Oh, Yoon Suk

AU - Kim, Chang Sam

AU - Osada, Minoru

AU - Kakihana, Masato

AU - Lim, Dae Soon

AU - Cheong, Deock Soo

PY - 1999/1/1

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N2 - We have synthesized Si3N4/SiC nanocomposites using a commercial polymer. The formed Si3N4/SiC nanocomposites have been studied using Raman scattering and X-ray photoelectron spectroscopy (XPS). The Raman scattering measurements showed that the formation of SiC started at 1200°C and that the main phase was 3C-SiC. The XPS results suggested that the SiC nanoparticles were formed by a chemical reaction of Si provided from Si3N4 with free carbon obtained by pyrolysis of polymer. The XPS results also indicated that residual carbon reacted with N2 to form CNx, which remained as an impurity phase in the final product.

AB - We have synthesized Si3N4/SiC nanocomposites using a commercial polymer. The formed Si3N4/SiC nanocomposites have been studied using Raman scattering and X-ray photoelectron spectroscopy (XPS). The Raman scattering measurements showed that the formation of SiC started at 1200°C and that the main phase was 3C-SiC. The XPS results suggested that the SiC nanoparticles were formed by a chemical reaction of Si provided from Si3N4 with free carbon obtained by pyrolysis of polymer. The XPS results also indicated that residual carbon reacted with N2 to form CNx, which remained as an impurity phase in the final product.

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