DocumentCode
551304
Title
Scandate coating for tungsten field emission electron sources
Author
Wan, Cangshang ; Sadowski, Jerzy T. ; Kordesch, Martin E.
Author_Institution
Ohio Univ., Athens, OH, USA
fYear
2011
fDate
18-22 July 2011
Firstpage
33
Lastpage
34
Abstract
Scandium oxide coated field emitter arrays have been investigated for enhanced field emission. The enhancement is proposed to originate in a reduction of the interfacial energy barrier between the tungsten and the scandium oxide, in analogy with thermionic cathodes.
Keywords
field emitter arrays; scandium compounds; surface energy; thermionic cathodes; tungsten compounds; interfacial energy barrier; scandate coating; scandium oxide coated field emitter array; thermionic cathode; tungsten field emission electron sources; Cathodes; Diamond-like carbon; Heating; Scanning electron microscopy; Thermionic emission; Tungsten; diamond field emitter array; electron emission microcopy; field emission; scandate; tungsen;
fLanguage
English
Publisher
ieee
Conference_Titel
Vacuum Nanoelectronics Conference (IVNC), 2011 24th International
Conference_Location
Wuppertal
ISSN
pending
Print_ISBN
978-1-4577-1243-2
Electronic_ISBN
pending
Type
conf
Filename
6004548
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