CUED Publications database

Hysteresis during field emission from chemical vapor deposition synthesized carbon nanotube fibers

Cahay, M and Murray, PT and Back, TC and Fairchild, S and Boeckl, J and Bulmer, J and Koziol, KKK and Gruen, G and Sparkes, M and Orozco, F and O'Neill, W (2014) Hysteresis during field emission from chemical vapor deposition synthesized carbon nanotube fibers. Applied Physics Letters, 105. ISSN 0003-6951

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Abstract

© 2014 AIP Publishing LLC. Hysteresis in the field emission (FE) data of a chemical vapor synthesized carbon nanotube fiber cathode is analyzed in the regime where self-heating effects are negligi ble. In both the forward and reverse applied field sweeps, various FE modes of operation are identified: including Fowler-Nordheim (FN) tunneling and space-charge limited emission from the fiber tip and FN emission from the fiber sidewall. Hysteresis in the FE data is linked to the difference in the field enhancement factors in the different FE modes of operation in the forward and reverse sweeps and related to changes in the fiber morphology.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div E > Production Processes
Div E > Manufacturing Systems
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:21
Last Modified: 23 Nov 2017 03:45
DOI: