Helical nanocables with SiC core and SiO2 shell |
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| Authors: | Zhong Xue Yang Yan Jun Wu Feng Zhu YaFei Zhang |
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| Affiliation: | Key Laboratory for Thin Film and Microfabrication Technology of Ministry of Education, Research Institute of Micro/Nanometer Science and Technology, Shanghai Jiaotong University, Shanghai 200030, PR China |
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| Abstract: | A novel one-dimensional helical nanocable structure has been synthesized through the reaction of carbon fiber with SiO vapor. The crystalline SiC core typically has diameters of 10–20 nm with a helical periodicity of 30–40 nm and is covered by a uniform layer of 10–20 nm thick amorphous SiO2. A growth mechanism is proposed on the basis of difference in the growth rate between crystalline SiC core and amorphous SiO2 shell. |
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| Keywords: | Helical nanocables Silicon carbide Microstructure Growth mechanism |
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