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Field emission properties of ZnO nanorods coated with NiO film
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10.1116/1.2919156
/content/avs/journal/jvstb/26/3/10.1116/1.2919156
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/26/3/10.1116/1.2919156
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Figures

Image of FIG. 1.
FIG. 1.

(a) SEM image of the ZnO nanorods synthesized by low-pressure metal-organic chemical vapor deposition, (b) TEM image of ZnO nanorod, (c) XRD spectrum of ZnO nanorods, and (d) TEM image of the ZnO nanorod with thick NiO film coated by ALD.

Image of FIG. 2.
FIG. 2.

(a) Measured current densities as a function of electric field for the ZnO (field dot) and the nanorods (open dot). (b) Fowler–Nordheim plots of the ZnO (field dot) and the nanorod (open dot).

Image of FIG. 3.
FIG. 3.

Field emission current stability data recorded over for the ZnO nanorod (scatter line) at and for the (solid line) nanorod at . For the first , the field emission was measured in vacuum of . For the second , the field emission was measured in oxygen rich vacuum of . Finally, after evacuation of oxygen gas, the measurement lasted at .

Image of FIG. 4.
FIG. 4.

Field emission current density of the nanorod at recorded for over , which consists of periods of high vacuum of and of oxygen rich vacuum of . The shaded areas are periods of oxygen rich vacuum of .

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/content/avs/journal/jvstb/26/3/10.1116/1.2919156
2008-05-22
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Field emission properties of ZnO nanorods coated with NiO film
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/26/3/10.1116/1.2919156
10.1116/1.2919156
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