sp/sup 2/-sp/sup 3/ carbon bulk composite material for cold electron emitters

sp/sup 2/-sp/sup 3/ carbon bulk composite material for cold electron emitters

Carbon bulk composite materials are promising candidates for cold emission cathodes. Emission properties of sp/sup 2/-sp/sup 3/ carbon bulk composite material were studied, with the share of sp/sup 2/ and sp/sup 3/ phase content of carbon being varied. Emission currents of /spl sim/2 mA/cm/sup 2/ at...

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Hauptverfasser: Mazalov, D.A., Pal, A.F., Pichugin, V.V., Ekimov, E.A., Suetin, N.V., Mueller, G.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Carbon dioxide
Cathodes
Ceramics
Composite materials
Current-voltage characteristics
Electron guns
Nanocomposites
Physics
Powders
Temperature distribution
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Zusammenfassung:Carbon bulk composite materials are promising candidates for cold emission cathodes. Emission properties of sp/sup 2/-sp/sup 3/ carbon bulk composite material were studied, with the share of sp/sup 2/ and sp/sup 3/ phase content of carbon being varied. Emission currents of /spl sim/2 mA/cm/sup 2/ at an electric field of /spl sim/18 V//spl mu/m were obtained.
DOI:10.1109/IVMC.2001.939753