NDLI: The change of a multilayer film work function of jointly adsorbed atoms of barium, scandium and oxygen on the facet (100) of a tungsten crystal at adsorption and heating

Content Provider	IEEE Xplore Digital Library
Author	Makarov, A.P.
Copyright Year	2015
Description	Author affiliation: JSC “RPC”Istok” named after Shokin, Fryazino, Russia (Makarov, A.P.)
Abstract	The investigation of the change of a multilayer film work function of jointly adsorbed atoms of barium, scandium and oxygen on the facet (100) of a tungsten crystal at adsorption and heating has been made. The work function of the multilayer film of jointly adsorbed atoms of barium, scandium and oxygen on the facet (100) of tungsten crystal, consisting of 2-3 Ba monolayers and 2-3 Sc monolayers with an optimal doze of adsorbed oxygen when heated at temperature 1400 - 1500 K for a few minutes and then activated by monolayer of barium atoms drops down to 1.70 - 1.75 eV which is close to the work function value of scandate cathodes. On the basis of the obtained results one can assert that the work model of scandate cathodes based on the availability of scandium oxide and barium oxide crystals, activated by monolayer film of barium and barium oxide atoms, on emitting surface is preferable.
Starting Page	1
Ending Page	2
File Size	80314
Page Count	2
File Format	PDF
ISBN	9781479971091
e-ISBN	9781479971107
DOI	10.1109/IVEC.2015.7223742
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tungsten Barium Atomic layer deposition Lead Cathodes nano-crystals scandate cathodes work function scandium oxide barium oxide adsorption
Content Type	Text
Resource Type	Article

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