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Piezoresistance of carbon nanotubes on deformable thin-film membranes
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10.1063/1.1872221
/content/aip/journal/apl/86/9/10.1063/1.1872221
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1872221

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic of a nanotube device on a membrane. The bottom layer is the gate electrode. (b) Optical microscope image of a membrane ( on a side) with electrodes. (c) Zoomed-in image of devices ( apart) near the edge of the membrane. (d) SEM image of a nanotube crossing the gap between two electrodes.

Image of FIG. 2.
FIG. 2.

(a)–(c) curves for nanotube devices on the membrane at 0, 5, 10, 15, and . The arrows show which way the curves moved as the pressure increased. (d)–(f) values of the curves vs simulated strain and a fit to an exponential.

Image of FIG. 3.
FIG. 3.

curves from for the SGS device in Fig. 2(b) (, gate grounded). The pressure was alternated between zero and a positive pressure increasing in increments.

Image of FIG. 4.
FIG. 4.

at 0 and 0.1% strain vs tube diameter for ten devices along with theory curves.

Tables

Generic image for table
Table I.

Summary of band-gap information, AFM-measured tube diameter, and gauge factor for ten devices.

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/content/aip/journal/apl/86/9/10.1063/1.1872221
2005-02-23
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Piezoresistance of carbon nanotubes on deformable thin-film membranes
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/9/10.1063/1.1872221
10.1063/1.1872221
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