التفاصيل البيبلوغرافية
| العنوان: |
Submicron patterning of a catalyst film by scanning probe nanolithography for a selective chemical vapor deposition of carbon nanotubes. |
| المؤلفون: |
Parisse, P., Verna, A., Rinaldi, M., Bussolotti, F., Grossi, V., Passacantando, M., Nardone, M., Santucci, S., Ottaviano, L. |
| المصدر: |
Journal of Applied Physics; 3/15/2007, Vol. 101 Issue 6, p066101-1, 3p, 2 Diagrams, 1 Graph |
| مصطلحات موضوعية: |
LITHOGRAPHY, NANOSCIENCE, CATALYSTS, METALS, ALLOYS, NANOTUBES, SCANNING electron microscopy |
| مستخلص: |
Submicrometric catalyst patterns have been fabricated by atomic force nanolithography and the subsequent selective growth of carbon nanotubes has been successfully verified. Rectangular stripes (∼350 nm wide) were engraved onto a polymethylmethacrylate film, deposited onto SiO2/Si, by polymer removal with atomic force microscopy nanoindentation. Metallic catalyst patterns were subsequently obtained after 3 nm Ni deposition and lift-off of the residual polymer. Multiwalled carbon nanotubes were then grown by thermal chemical vapor deposition onto the Ni stripes. The various steps of nanopatterning and of carbon nanotubes growth are also studied by scanning electron microscopy and Raman measurements. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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