About: Material characterization of the epoxy-coated cold-field-emission cathodes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The use of non-destructive characterization methods has become essential for materials science, since it provides indispensable feedback and therefore helps to improve technology process. This paper reports the results obtained from an experimental piece of composite cold-field emission cathode based on tungsten metal-oxide structure, which was additionally coated by thin film of epoxy. Three various techniques have been used to describe structure of the material since the cathode is composed of structurally-various layers. Firstly, the energy dispersive spectroscopy (SEM-EDS) was used to find out which elements are present on the surface of the cathode. Secondly, the surface was examined by the means of scanning low-energy electron microscopy (SLEEM) which was applied in order to visualize the crystalline microstructure of the cathode surface. And finally, dielectric relaxation spectroscopy (DRS) has been used to characterize and measure the dielectric properties of the epoxy coating. The use of non-destructive characterization methods has become essential for materials science, since it provides indispensable feedback and therefore helps to improve technology process. This paper reports the results obtained from an experimental piece of composite cold-field emission cathode based on tungsten metal-oxide structure, which was additionally coated by thin film of epoxy. Three various techniques have been used to describe structure of the material since the cathode is composed of structurally-various layers. Firstly, the energy dispersive spectroscopy (SEM-EDS) was used to find out which elements are present on the surface of the cathode. Secondly, the surface was examined by the means of scanning low-energy electron microscopy (SLEEM) which was applied in order to visualize the crystalline microstructure of the cathode surface. And finally, dielectric relaxation spectroscopy (DRS) has been used to characterize and measure the dielectric properties of the epoxy coating. (en)
Title	Material characterization of the epoxy-coated cold-field-emission cathodes Material characterization of the epoxy-coated cold-field-emission cathodes (en)
skos:prefLabel	Material characterization of the epoxy-coated cold-field-emission cathodes Material characterization of the epoxy-coated cold-field-emission cathodes (en)
skos:notation	RIV/68081731:_____/12:00386107!RIV13-AV0-68081731
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(GAP102/11/0995)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Mikmeková, Šárka
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	148649
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/12:00386107
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	composite cold field-emission cathode; scanning low-energy electron microscopy (SLEEM); dielectric relaxation spectroscopy (DRS) (en)
http://linked.open.../riv/klicoveSlovo	composite cold field-emission cathode dielectric relaxation spectroscopy (DRS) scanning low-energy electron microscopy (SLEEM)
http://linked.open...ontrolniKodProRIV	[714ED03C47F9]
http://linked.open...v/mistoKonaniAkce	Košice
http://linked.open...i/riv/mistoVydani	Košice
http://linked.open...i/riv/nazevZdroje	Physics of materials 2012. Proceedings of the scientific conference
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Electron transport, Noise and Diagnostic of Shottky and Autoemission Cathodes
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Mikmeková, Šárka Grmela, L. Klampár, M. Knápek, A. Sergeev, E.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-10-17 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Technická univerzita v Košiciach
https://schema.org/isbn	978-80-553-1175-3

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