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Physics Seminar

Professor Bill Milne, University of Cambridge

Wednesday 19 February 2014, 1300-1400
Lecture Theatre 5, Management School Building

Electronic Applications of Carbon Nanotubes - a Realistic Appraisal

Over the past several years Carbon Nanotubes (CNTs) have been touted as being one of the most promising material systems for future electronic applications. CNTs are a unique form of carbon filament/fibre in which sheets of sp2 bonded graphite with no surface broken bonds roll up to form tubes. Single wall CNTs can exhibit either metallic-like or semiconductor-like properties and multi-wall tubes generally exhibit metallic-like behaviour. Their future application in the electronics industry is based upon several unique properties which the CNTs possess, e.g. they have the highest thermal conductivity, they can exhibit ballistic electron transport and do not suffer from electron migration. However there are still major problems to be overcome before CNTs can be used e.g. in devices and circuits including control of chirality and their selective growth.

This presentation will describe the growth, characterisation and potential electronic applications of both SWCNTs and MWCNTs and will attempt to provide a realistic appraisal of their future in the electronic industry.