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Creation of calcium sulfide nanostructures using AFM dip-pen nanolithography

Article Abstract:

A study on the effects of the surface property of the substrate, the relative humidity, the translating rate and the temperature were systematically investigated. The results indicated that the general idea of fabrication nanopatterns of metal sulfide and other inorganic material by DPN and by careful designing of the reaction DPN can be powerful technique for on-site, one-step nanofabrication.

Analysis, Surface chemistry, Nanolithography, Calcium sulfide

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Lattice-oriented growth of single-walled carbon nanotubes

Article Abstract:

The single-walled carbon nanotubes (SWNTs) with preferred 2D orientations are synthesized for the first time by chemical vapor deposition (CVD) of methane on silicon surfaces terminated with hydrogen, native oxide, and an ultrathin aluminum layer. The SWNTs grown on Si(111) are shorter than those on Si(100) surfaces.

Chemical synthesis

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Raman spectroscopy and imaging of ultralong carbon nanotubes

Article Abstract:

Raman spectroscopy and confocal Raman imaging with 514 nm excitation was performed on ultralong carbon nanotubes grown by the 'fast-heating' chemical vapor deposition (CVD) method. Raman imaging showed that the ultralong nanotubes were of high quality and with a very low defect density.

Usage, Optical properties, Raman spectroscopy

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