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Generation of electricity in GaN nanorods induced by piezoelectric effect
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10.1063/1.2472539
/content/aip/journal/apl/90/6/10.1063/1.2472539
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2472539
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Scanning electron microscopy image of GaN nanorods. (b) Experimental setup and procedures for generating electricity by deforming a piezoelectric nanorod with a conductive atomic force microscopy (AFM) tip. The AFM scans across a nanorod in contact mode. (c) Topography image and (d) corresponding output current image of the nanorod arrays. (e) Line profiles from the topography and output current images across a nanorod.

Image of FIG. 2.
FIG. 2.

Scanning electron microscopy image of GaN nanorods. (a) Before etching and (b) After etching. (c) Schematic definition of a nanorod and the coordination system. (d) Corresponding longitudinal piezoelectricity induced electric field distribution in the nanorod. [(e) and (g)] Contacts between the AFM tip and the semiconductor GaN nanorod at two reversed local contact potentials (positive and negative). (f) Reverse and forward biased Schottky rectifying behaviors.

Image of FIG. 3.
FIG. 3.

(Color online) Variation of current output vs scanning speed of the bended GaN nanorod. The red line is plotted according to the characteristics of the current flow in a Schottky diode given by Eq. (1).

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/content/aip/journal/apl/90/6/10.1063/1.2472539
2007-02-08
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Generation of electricity in GaN nanorods induced by piezoelectric effect
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/6/10.1063/1.2472539
10.1063/1.2472539
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