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In this paper is presented a short survey of the literature data on the growth and the field emission properties of vertically-aligned and individual carbon nanotubes (CNTs) arrays, which are believed to be the most efficient top-down preparation methods for electron field emission devices. Density current of around 1 A/cm2 at turn-on field around some V/μm can now routinely be obtained. The paper also underlines some problems and challenges that must be overcome for practical applications.
Semiconductor Conference, 2004. CAS 2004 Proceedings. 2004 International (Volume:1 )
Date of Conference: 4-6 Oct. 2004