diamond films;
nanotubes;
hot filament CVD;
nanocones;
selective growth;
D O I:
10.1016/j.diamond.2003.11.076
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
Diamond and carbon nanostructures have been synthesized selectively on differently pretreated silicon substrates by hot filament chemical vapor deposition in a CH4/H-2 gas mixture. Under typical conditions for CVD diamond deposition, carbon nanotube and diamond films have been selectively grown on nickel coated and diamond powder scratched silicon surface, respectively. By initiating a DC glow discharge between the filament and the substrate holder (cathode), well aligned carbon nanotube and nanocone films have been selectively synthesized on nickel coated and uncoated silicon substrates, respectively. By patterning, the nickel film on silicon substrate, pattern growth of diamond and nanotubes has been successfully achieved. (C) 2003 Elsevier B.V. All rights reserved.
机构:
SRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India
Rao, B. Purna Chandra
Maheswaran, R.
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SRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India
Maheswaran, R.
Ramaswamy, Shivaraman
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SRM Univ, Nanotechnol Res Ctr, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India
Ramaswamy, Shivaraman
Mahapatra, Ojas
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SRM Univ, Nanotechnol Res Ctr, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India
Mahapatra, Ojas
Gopalakrishanan, C.
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SRM Univ, Nanotechnol Res Ctr, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India
Gopalakrishanan, C.
Thiruvadigal, D. John
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SRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, IndiaSRM Univ, Dept Phys, Ctr Mat Sci & Nanodevices, Madras 603203, Tamil Nadu, India