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Nanowelding of a multiwalled carbon nanotube to metal surface and its electron field emission properties
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10.1063/1.2835906
/content/aip/journal/apl/92/2/10.1063/1.2835906
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2835906
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Illustration of the assembly procedure of a single carbon nanotube emitter. (a) Initial configuration of a platinum surface and a nanotube encapsulating a platinum particle on a copper plate, (b) nanowelding of the nanotube tip to the platinum surface, and (c) fabrication of a single nanotube emitter by retracting the copper plate.

Image of FIG. 2.
FIG. 2.

(a)–(e) Time-sequential series of high-resolution images of a nanowelding procedure of a multiwalled carbon nanotube to a platinum surface. The dark regions at top A and bottom B show the platinum surface and a platinum particle encapsulated in the nanotube, respectively. The bright regions are vacuums. (f) Low magnification image of a single nanotube emitter fabricated by retracting the copper plate.

Image of FIG. 3.
FIG. 3.

Current-voltage curve of the carbon nanotube shown in Fig. 2(e). The conductance at around is .

Image of FIG. 4.
FIG. 4.

(a) Current-voltage curves measured during electron field emission from the carbon nanotube of Fig. 2(f) at various tip-anode distances , 50, 124, 241, and . (b) Fowler-Nordheim plots obtained from the current-voltage curves in (a). (c) Field enhancement factor against the distance .

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/content/aip/journal/apl/92/2/10.1063/1.2835906
2008-01-18
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nanowelding of a multiwalled carbon nanotube to metal surface and its electron field emission properties
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2835906
10.1063/1.2835906
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