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Self-organized regular arrays of carbon nanocones induced by ultrashort laser pulses and their field emission properties
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10.1063/1.3097391
/content/aip/journal/jap/105/8/10.1063/1.3097391
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/8/10.1063/1.3097391
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Morphological evolution of graphite surface by applying varied number of pulses of (a) 1, (b) 10, and (c) 100, respectively, at a fixed fluence of through a objective. The arrow in (c) indicates the direction of polarization. (d) Higher magnification image of nanocones on the walls and periphery of the ablation hole. The sample was tilted 60° in order to observe the walls. (e) High resolution image of nanocones.

Image of FIG. 2.
FIG. 2.

Dependence of the periods of nanocones on (a) the number of pulses and (b) the laser fluences, respectively.

Image of FIG. 3.
FIG. 3.

Dependence of the orientation of nanocones on laser polarization. These structures are generated with 2000 pulses under a fluence of at (a) horizontal, (b) vertical polarization, respectively. The arrows indicate the direction of polarization.

Image of FIG. 4.
FIG. 4.

Field emission current density vs electric field for the aligned carbon nanocones. Inset is the corresponding FN plot.

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/content/aip/journal/jap/105/8/10.1063/1.3097391
2009-04-17
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Self-organized regular arrays of carbon nanocones induced by ultrashort laser pulses and their field emission properties
http://aip.metastore.ingenta.com/content/aip/journal/jap/105/8/10.1063/1.3097391
10.1063/1.3097391
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