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Transition from a fully ionized plasma to an absorbing surface

2004Journal article Restricted access
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dc.contributor.authorAlmeida, N. A.
dc.contributor.authorBenilov, M. S.
dc.contributor.authorFranklin, R. N.
dc.contributor.authorNaidis, G. V.
dc.date.accessioned2019-11-11T11:36:04Z
dc.date.available2019-11-11T11:36:04Z
dc.date.issued2004
dc.description.abstractThe ionization layer (presheath) separating a fully ionized low-temperature thermal plasma from the space-charge sheath adjacent to a solid surface is described by means of a (multi)fluid model. The character of the solution is governed by α, the ratio of the ionization length to the mean free path for ion–atom collisions. If α 1, the solution is determined by physically transparent boundary conditions, namely, by the Bohm criterion at the sheath edge and the condition of full ionization on the plasma side of the ionization layer. If α<1, the latter condition becomes ineffective. An alternative boundary condition is found for a certain range of α below unity, αcr α<1. An approximate approach which spans the whole range of α is suggested. While being incomplete theoretically, this approach is sufficient for practical purposes and gives results that are in agreement with experiment. On the other hand, the question of what is the lacking boundary condition in the range 0 <α<α cr remains open and challenging.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlmeida, N. A., Benilov, M. S., Franklin, R. N., & Naidis, G. V. (2004). Transition from a fully ionized plasma to an absorbing surface. Journal of Physics D: Applied Physics, 37(22), 3107-3116.pt_PT
dc.identifier.doi10.1088/0022-3727/37/22/008pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/2593
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIOP Publishingpt_PT
dc.subjectIonized plasmapt_PT
dc.subjectAbsorbing surfacept_PT
dc.subjectTransitionpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.titleTransition from a fully ionized plasma to an absorbing surfacept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage3116pt_PT
oaire.citation.startPage3107pt_PT
oaire.citation.titleJournal of Physics D: Applied Physicspt_PT
oaire.citation.volume37(22)pt_PT
person.familyNameAlmeida
person.familyNameBenilov
person.familyNameNaidis
person.givenNameNelson
person.givenNameMikhail
person.givenNameGeorge
person.identifier.ciencia-id0516-6FAA-27E2
person.identifier.ciencia-id0F14-A79A-97C1
person.identifier.orcid0000-0002-6499-3609
person.identifier.orcid0000-0001-9059-1948
person.identifier.orcid0000-0003-2184-802X
person.identifier.ridM-6228-2013
person.identifier.ridK-4443-2015
person.identifier.scopus-author-id7003469070
person.identifier.scopus-author-id7005138676
person.identifier.scopus-author-id6701765912
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9a82798a-90e3-41c4-a9dd-7974813221a8
relation.isAuthorOfPublication5ccf95a3-53d5-446c-857c-55d64b887175
relation.isAuthorOfPublication8605b032-ade3-4d43-b569-9b74b1c532ab
relation.isAuthorOfPublication.latestForDiscovery9a82798a-90e3-41c4-a9dd-7974813221a8

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