Title :
Influence of the dispenser cathodes surface structure on their emission parameters
Author :
Djubua, B.Ch. ; Polivnikova, O.V.
Author_Institution :
Cathode Dept., SRPC "Istok", Fryazino, Russia
Abstract :
The present paper provides AFM investigations of the surface of dispenser cathodes with osmium film and scandate cathodes. In order to explain high emission properties of these cathodes we used phenomenon of thermo-field electron emission.
Keywords :
atomic force microscopy; cathodes; AFM; atomic force microscopy; dispenser cathodes surface structure; emission parameters; osmium film; scandate cathodes; thermo-field electron emission; Atomic force microscopy; Barium; Cathodes; Chemicals; Electron emission; Heating; Substrates; Surface structures; Surface treatment; Tungsten; dispenser cathodes; osmium film; scandate cathodes; thermo-field emission;
Conference_Titel :
Vacuum Electronics Conference, 2009. IVEC '09. IEEE International
Conference_Location :
Rome
Print_ISBN :
978-1-4244-3500-5
Electronic_ISBN :
978-1-4244-3501-2
DOI :
10.1109/IVELEC.2009.5193578
