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dc.contributor.authorSharma, R B-
dc.contributor.authorTondare, V N-
dc.contributor.authorJoag, D S-
dc.contributor.authorGovindaraj, A-
dc.contributor.authorRao, C N R-
dc.date.accessioned2012-03-05T07:03:04Z-
dc.date.available2012-03-05T07:03:04Z-
dc.date.issued2001-08-24-
dc.identifier0009-2614en_US
dc.identifier.citationChemical Physics Letters 344(3-4), 283-286 (2001)en_US
dc.identifier.urihttp://hdl.handle.net/10572/543-
dc.descriptionRestricted Accessen_US
dc.description.abstractField emission microscopy studies of carbon nanotubes grown by the pyrolysis of ferrocene on a tungsten field emitter are reported. A field emission current density of 1.5 A cm(-2) has been drawn from such an emitter at a field of 290 V/mum, and this density is considerably higher than that found with planar cathodes. Accordingly, the field enhancement factor, calculated from the slope of the F-N plot in the low field region is also large. Field emission micrographs reveal the lobe structure symmetries typical of carbon nanotube bundles. The emission current is found to be remarkably stable over an operating period of more than 3 h for current values of up to 500 muA. (C) 2001 Published by Elsevier Science B.V.en_US
dc.description.urihttp://dx.doi.org/10.1016/S0009-2614(01)00822-3en_US
dc.language.isoenen_US
dc.publisherElsevier Science BVen_US
dc.rights© 2001 Elsevier Science BVen_US
dc.subjectmicroscopy probe methodsen_US
dc.subjectnanochemistryen_US
dc.titleField emission from carbon nanotubes grown on a tungsten tipen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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