Chin. Phys. Lett.  1998, Vol. 15 Issue (9): 689-691    DOI:
Original Articles |
Chemical Vapor Deposition of β-SiC Nanowires on Granular Active Carbon Cylinders Loaded with Iron Nanoparticles Inside the Pores
MENG Guo-wen1,2;ZHANG Li-de1,2;QIN Yong1,2;F. Phillipp3;QIAO Sheng-ru4;GUO Hai-ming4;ZHANG Shu-yuan5
1Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031 21nstitute of Advanced Study, University of Science and Technology of China, Hefei 230026 3Max-Planck-Institut fur Metallforschung, Heisenbergstrasse I, D-70569 Stuttgart, Germang 4Materials Science and Engineering College, Northwestern Polytechnical University, Xian 710072 5Structure Research Laboratory, University of Science and Technology of China, Hefei 230026
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MENG Guo-wen, ZHANG Li-de, QIN Yong et al  1998 Chin. Phys. Lett. 15 689-691
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Abstract A new method for chemical vapor deposition of β-SiC nanowires on granular active carbon loaded with iron nanoparticles inside the pores is developed. In this process, mesoporous active carbon was used as both a carbon source material and a template to generate nanometer-diameter catalyst particles that define the size of wires produced by vapor-liquid-solid (VLS) growth. Transmission electron microscopy reveals that the products are nanowires with several microns in length and about 10nm in diameter. Selected area electron-diffraction and energy-dispersed x-ray spectra confirm that the productor is β-SiC. The observation of spherical nanoparticles containing iron at the end of the nanowires clearly indicates that the nanowires grow by the VLS mechanism.
Keywords: 81.05.Ys      81.05.Je      81.10.Bk     
Published: 01 September 1998
PACS:  81.05.Ys  
  81.05.Je (Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides))  
  81.10.Bk (Growth from vapor)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1998/V15/I9/0689
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MENG Guo-wen
ZHANG Li-de
QIN Yong
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QIAO Sheng-ru
GUO Hai-ming
ZHANG Shu-yuan
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