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Self-regenerative field emission source
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10.1063/1.2126152
/content/aip/journal/apl/87/19/10.1063/1.2126152
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/19/10.1063/1.2126152
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Overall view of an as-prepared cathode surface. Magnification: . Inset: Highly magnified SEM image of typical CNFs (arrow-indicated) grown on the tip of conical protrusions.

Image of FIG. 2.
FIG. 2.

Initial characteristics attained for the CNF-covered cathode. Inset: Corresponding FN plot.

Image of FIG. 3.
FIG. 3.

Time dependence of the emission-current density. Applied voltage and the electric field: 1000 V and , respectively.

Image of FIG. 4.
FIG. 4.

Typical SEM images of central, (a) and (b), and peripheral regions, (c), of the emission area taken after the lifetime test for 40 h. (b) Enlarged image of (a). Insets in (a) and (c): enlarged images of typical rod-like projections with a round tip and entangled CFs newly grown during the FE process. Magnification: for (a) and (c), and for (c).

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/content/aip/journal/apl/87/19/10.1063/1.2126152
2005-11-01
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Self-regenerative field emission source
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/19/10.1063/1.2126152
10.1063/1.2126152
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