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Toward Mechanosynthesis of Diamondoid Structures: IX Commercial Capped CNT Scanning Probe Microscopy Tip as Nowadays Available Tool for Silylene Molecule and Silicon Atom Transfer
Abstrakt
According to K. E. Drexler, advanced mechanosynthesis will employ advanced nanomachines, but advanced nanomachines will themselves be product of advanced mechanosynthesis. This circular relationship must be broken in SPM technology development. In the article, the possibility of use easy available commercial CNT tips to assembly silicon-based intermediate generations of nano-devices is considered. Mechanosynthesis of a target class of silicon-based nano-devices will require molecular tools capable of transferring SiH2 molecules and Si atoms to reaction centers that have binding energy in range of -2.9 ± 0.2 eV and -6.8 ± 0.3 eV respectively. Desirable properties for tools include near exoergic transfer of moieties to these structures; good geometrical exposure of moieties; and structural, electronic, and positional stability. The results of this paper suggest that today available on the marked CNT tips have available properties as tools for silylene molecule and silicon atom transfer into reaction center during positional mechanosynthesis. The surpassing features of the commercial single/double wall caped CNT tips like small tip radii, extreme aspect ratio, excellent wear-out behavior and average binding energy of SiH2 ~ -3.2 eV and Si ~ -6.0 eV make them the ideal tools for building bridge between today SPM technology and future implementation of intermediate silicon-based nanotechnology.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
Journal of Computational and Theoretical Nanoscience
nr 9,
strony 2240 - 2244,
ISSN: 1546-1955 - Język:
- angielski
- Rok wydania:
- 2012
- Opis bibliograficzny:
- Herman A.: Toward Mechanosynthesis of Diamondoid Structures: IX Commercial Capped CNT Scanning Probe Microscopy Tip as Nowadays Available Tool for Silylene Molecule and Silicon Atom Transfer// Journal of Computational and Theoretical Nanoscience. -Vol. 9, nr. 12 (2012), s.2240-2244
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1166/jctn.2012.2644
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 62 razy
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