Effect of ion neutralization processes on interfacial energy of stationary contacts

Dervos Constantine, T; Michaelides Joseph, M

dc.contributor.author	Dervos Constantine, T	en
dc.contributor.author	Michaelides Joseph, M	en
dc.date.accessioned	2014-03-01T01:14:13Z
dc.date.available	2014-03-01T01:14:13Z
dc.date.issued	1998	en
dc.identifier.issn	1070-9886	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/12939
dc.subject	Charge Injection	en
dc.subject	Charge Transport	en
dc.subject	Mass Spectrometry	en
dc.subject	Nitrogen	en
dc.subject	Transport Process	en
dc.subject	Current Mode	en
dc.subject.classification	Engineering, Manufacturing	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.classification	Materials Science, Multidisciplinary	en
dc.subject.other	Electric currents	en
dc.subject.other	Electric power measurement	en
dc.subject.other	Electron transport properties	en
dc.subject.other	Interfaces (materials)	en
dc.subject.other	Mass spectrometry	en
dc.subject.other	Nitrogen	en
dc.subject.other	Oxygen	en
dc.subject.other	Silver alloys	en
dc.subject.other	Surface structure	en
dc.subject.other	Ion neutralization	en
dc.subject.other	Quadrupole mass spectrometry	en
dc.subject.other	Stationary contacts	en
dc.subject.other	Electric contacts	en
dc.title	Effect of ion neutralization processes on interfacial energy of stationary contacts	en
heal.type	journalArticle	en
heal.identifier.primary	10.1109/95.740044	en
heal.identifier.secondary	http://dx.doi.org/10.1109/95.740044	en
heal.language	English	en
heal.publicationDate	1998	en
heal.abstract	Practical utilization of direct measurements of the electrical energy stored at the interface of mechanically contacted metals has been used as a tool to demonstrate experimentally the effect of ion neutralization processes at the interface. Due to the presence of surface asperities, interfacial cavities filled with the gas from the surrounding space may play an important role in charge transport processes, since they provide additional current paths between the non ideally contacted spots of current carrying metallic interfaces. Measurements of the electrical energy stored at the interface were performed in stationary OFHC and silver based alloy contacts in a high vacuum environment (total pressure below 10(-5) mbar), The composition of the surrounding space could be determined in situ by employing quadrupole mass spectrometry. The effect of small quantities of nitrogen, oxygen or SF6 on the overall interfacial electrical energy has been investigated for the case of a contact operated at a constant current mode. The obtained experimental results demonstrate convincingly variations of the interfacial electrical energy depending on the composition of the surrounding space and the important role of the non ohmic transport processes across metallic interfaces operating under high charge injection rates.	en
heal.publisher	IEEE, Piscataway, NJ, United States	en
heal.journalName	IEEE transactions on components, packaging, and manufacturing technology. Part A	en
dc.identifier.doi	10.1109/95.740044	en
dc.identifier.isi	ISI:000078124600003	en
dc.identifier.volume	21	en
dc.identifier.issue	4	en
dc.identifier.spage	541	en
dc.identifier.epage	548	en