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ZnO nanopencils: Efficient field emitters
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10.1063/1.1977187
/content/aip/journal/apl/87/1/10.1063/1.1977187
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/1/10.1063/1.1977187
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Figures

Image of FIG. 1.
FIG. 1.

(a) Low magnification SEM image of the nanopencils, showing pen tips on the nanopencils with the inset for an enlarged view of a pen tip; (b) SEM image of a penholder; (c) SEM image of a nanopencil with a pen tip; (d) the schematic idealized growth habit of ZnO; and (e) the schematic growth mechanism of a pen tip.

Image of FIG. 2.
FIG. 2.

(a) TEM image of a nanopencil; (b) electron diffraction pattern taken from the nanopencil shown in (a); (c) high-resolution TEM image of a nanopencil; (d) TEM image of a pen tip; and (e) an enlarged view of the pen tip shown in (a), revealing the initial half-angle of the tip is around 4°.

Image of FIG. 3.
FIG. 3.

Field-emission measurements of the ZnO nanopencils. (a) Current density-electric field characteristics with the inset for the corresponding F–N plot. (b) Current density reproducibility recorded at an applied field of .

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/content/aip/journal/apl/87/1/10.1063/1.1977187
2005-06-29
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: ZnO nanopencils: Efficient field emitters
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/1/10.1063/1.1977187
10.1063/1.1977187
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