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首页> 外文期刊>Materials Chemistry and Physics >Synthesis of nanometer-sized SiC powders through chemical vapour deposition - I. Effect of reaction temperature
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Synthesis of nanometer-sized SiC powders through chemical vapour deposition - I. Effect of reaction temperature

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Nanometer-sized SiC powders have been synthesized through chemical vapour deposition using self-designed setup. The features of the powders have been examined by X-ray diffraction, transmission electron microscopy, infrared ray absorption spectrum and chemical analysis, with emphasis intentionally put on the effect of reaction temperature. It is disclosed that SiC powders with narrow size distribution, spherical shapes high purity, excellent crystallinity and as fine as 9 nm being the smallest average size that can he synthesized. Both the particle size and grain size increase with increasing temperatures. The highest purity is obtained when the reaction occurs at 1300 degrees C. (C) 1998 Elsevier Science S.A. All rights reserved. References: 10

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