Field emission from carbon nanotubes grown on a tungsten tip

Sharma, R B; Tondare, V N; Joag, D S; Govindaraj, A; Rao, C N R

dc.contributor.author	Sharma, R B
dc.contributor.author	Tondare, V N
dc.contributor.author	Joag, D S
dc.contributor.author	Govindaraj, A
dc.contributor.author	Rao, C N R
dc.date.accessioned	2012-03-05T07:03:04Z
dc.date.available	2012-03-05T07:03:04Z
dc.date.issued	2001-08-24
dc.identifier	0009-2614	en_US
dc.identifier.citation	Chemical Physics Letters 344(3-4), 283-286 (2001)	en_US
dc.identifier.uri	https://libjncir.jncasr.ac.in/xmlui/10572/543
dc.description	Restricted Access	en_US
dc.description.abstract	Field 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.uri	http://dx.doi.org/10.1016/S0009-2614(01)00822-3	en_US
dc.language.iso	en	en_US
dc.publisher	Elsevier Science BV	en_US
dc.rights	© 2001 Elsevier Science BV	en_US
dc.subject	microscopy probe methods	en_US
dc.subject	nanochemistry	en_US
dc.title	Field emission from carbon nanotubes grown on a tungsten tip	en_US
dc.type	Article	en_US