Direct synthesis of β-silicon carbide nanowires from graphite only without a catalyst
One-dimensional (1D) β-SiC nanowires were successfully fabricated on bare Si (1 0 0) substrate using simple carbo-thermal evaporation of graphite at 1200 °C. The obtained β-SiC nanowires were aligned with diameters ranged between 40 and 500 nm. The majority of crystal planes were β-SiC (1 1 1) with...
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| Main Authors: | , , , |
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| Format: | Article |
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Elsevier
2010
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/7859/ https://doi.org/10.1016/j.jallcom.2010.03.025 |
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| Summary: | One-dimensional (1D) β-SiC nanowires were successfully fabricated on bare Si (1 0 0) substrate using simple carbo-thermal evaporation of graphite at 1200 °C. The obtained β-SiC nanowires were aligned with diameters ranged between 40 and 500 nm. The majority of crystal planes were β-SiC (1 1 1) with other less intensity of (2 0 0), (2 2 0) and (3 1 1). The silicon substrate location inside the furnace found to be critical in the formation of the β-SiC nanowires. Also, introducing oxygen gas as an ambient gas instead of argon reduces the growth at locations close to the graphite source. |
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