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Electrical and lattice vibrational behaviors of graphene devices on flexible substrate under small mechanical strain
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10.1063/1.4746285
/content/aip/journal/apl/101/8/10.1063/1.4746285
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746285
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A schematic illustration of the electrical and Raman measurement for the flexible GL/PET device under strain. Bottom figure shows the real image for the device.

Image of FIG. 2.
FIG. 2.

(a) Current (I) vs drain-source voltage (V) characteristics under strain. (b) Resistance and percent change of the resistance as a function of the applied strain.

Image of FIG. 3.
FIG. 3.

(a) Raman spectrum for the GL/PET device and the PET substrate. Note: while one cannot discriminate whether the GL or PET is the origin of the G-peak in this data, the 2D band at about 2700 cm−1 is only at the GL specimen. (b) Strain dependent 2D-Raman band. The 2D-mode shows the evolution of a strong GL only peak as a function of strain and well fitted to two 2D Lorentzian components, so called 2D+ and 2D, respectively. (c) The plots of the shift of the frequency vs the applied strain. In region II, the GL/PET shows linear response and then above a threshold strain the shifts were saturated regardless 2D+ or 2D.

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/content/aip/journal/apl/101/8/10.1063/1.4746285
2012-08-20
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrical and lattice vibrational behaviors of graphene devices on flexible substrate under small mechanical strain
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746285
10.1063/1.4746285
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