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Barium strontium oxide coated carbon nanotubes as field emitters
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10.1063/1.2719645
/content/aip/journal/apl/90/14/10.1063/1.2719645
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2719645
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM micrographs of CNTs (a) and oxide coated CNTs (c), and TEM micrographs of individual CNTs (b) and individual oxide coated CNTs (d).

Image of FIG. 2.
FIG. 2.

Field emission of the CNT and oxide coated CNT emitters: field emission current dependencies of electric field (a) and corresponding Fowler-Nordheim (FN) plot (b). The measurement was performed at room temperature at a vacuum level better than .

Image of FIG. 3.
FIG. 3.

Work function measurement for the oxide coated CNT emitter: Schottky plots of emission current dependencies of electric field at various temperatures for the oxide coated CNT emitter (a) and corresponding Richardson plot (b).

Image of FIG. 4.
FIG. 4.

Field emission of the CNT and oxide coated CNT emitters with a different surface morphology (shorter and larger spacing): SEM micrographs of CNTs (a) and oxide coated CNTs (b), and field emission current dependencies of electric field (c). The measurement was performed at room temperature at a vacuum level better than .

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/content/aip/journal/apl/90/14/10.1063/1.2719645
2007-04-05
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Barium strontium oxide coated carbon nanotubes as field emitters
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/14/10.1063/1.2719645
10.1063/1.2719645
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