Field enhancement factor and field emission from a hemi-ellipsoidal metallic needle

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dc.creatorPogorelov, Evgeny G.
dc.creatorZhbanov, Alexander I.
dc.creatorChang, Yia-Chung
dc.date2008-04-08
dc.date2008-05-05
dc.date.accessioned2026-07-07T09:36:36Z
dc.date.available2026-07-07T09:36:36Z
dc.descriptionWe present an exact solution for the electrostatic field between a metallic hemi-ellipsoidal needle on a plate (as a cathode) and a flat anode. The basic idea is to replace the cathode by a linearly charged thread in a uniform electric field and to use a set of "image" charges to reproduce the anode. We calculate the field enhancement factor on the needle surface and ponderomotive force acting on the needle. Using the Fowler-Nordheim theory we obtain an exact analytical formula for the total current.
dc.description7 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0804.1195
dc.identifierhttp://arxiv.org/abs/0804.1195
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160176
dc.subjectMaterials Science
dc.titleField enhancement factor and field emission from a hemi-ellipsoidal metallic needle
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