Role of sp(2) phase in field emission from nanostructured carbons

A Ilie, A C Ferrari, T Yagi, S E Rodil, J Robertson, E Barborini, P Milani

Research output: Contribution to journalArticle

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Abstract

It is shown that sp(2) phase organization plays an important role in the field emission from nanostructured carbons. Emission is found to depend on the cluster size, anisotropy, and mesoscale bonding of the sp(2) phase, and the electronic disorder. It is found by Raman spectroscopy that increasing the size of sp(2) clusters in the 1-10 nm range improves emission. Anisotropy in the sp(2) phase orientation can help or inhibit the emission. sp(2) clusters embedded in the sp(3) matrix or electronic disorder induced by localized defects oriented in the field direction can provide a local field enhancement to facilitate the emission. (C) 2001 American Institute of Physics.
Original languageEnglish
Pages (from-to)2024-2032
Number of pages9
JournalJournal of Applied Physics
Volume90
Issue number4
Publication statusPublished - 2001

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field emission
carbon
disorders
anisotropy
electronics
Raman spectroscopy
augmentation
defects
matrices

Cite this

Ilie, A., Ferrari, A. C., Yagi, T., Rodil, S. E., Robertson, J., Barborini, E., & Milani, P. (2001). Role of sp(2) phase in field emission from nanostructured carbons. Journal of Applied Physics, 90(4), 2024-2032.

Role of sp(2) phase in field emission from nanostructured carbons. / Ilie, A; Ferrari, A C; Yagi, T; Rodil, S E; Robertson, J; Barborini, E; Milani, P.

In: Journal of Applied Physics, Vol. 90, No. 4, 2001, p. 2024-2032.

Research output: Contribution to journalArticle

Ilie, A, Ferrari, AC, Yagi, T, Rodil, SE, Robertson, J, Barborini, E & Milani, P 2001, 'Role of sp(2) phase in field emission from nanostructured carbons', Journal of Applied Physics, vol. 90, no. 4, pp. 2024-2032.
Ilie A, Ferrari AC, Yagi T, Rodil SE, Robertson J, Barborini E et al. Role of sp(2) phase in field emission from nanostructured carbons. Journal of Applied Physics. 2001;90(4):2024-2032.
Ilie, A ; Ferrari, A C ; Yagi, T ; Rodil, S E ; Robertson, J ; Barborini, E ; Milani, P. / Role of sp(2) phase in field emission from nanostructured carbons. In: Journal of Applied Physics. 2001 ; Vol. 90, No. 4. pp. 2024-2032.
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AB - It is shown that sp(2) phase organization plays an important role in the field emission from nanostructured carbons. Emission is found to depend on the cluster size, anisotropy, and mesoscale bonding of the sp(2) phase, and the electronic disorder. It is found by Raman spectroscopy that increasing the size of sp(2) clusters in the 1-10 nm range improves emission. Anisotropy in the sp(2) phase orientation can help or inhibit the emission. sp(2) clusters embedded in the sp(3) matrix or electronic disorder induced by localized defects oriented in the field direction can provide a local field enhancement to facilitate the emission. (C) 2001 American Institute of Physics.

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