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Surface potential and interlayer screening effects of few-layer MoS2 nanoflakes
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10.1063/1.4801844
/content/aip/journal/apl/102/14/10.1063/1.4801844
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/14/10.1063/1.4801844
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Figures

Image of FIG. 1.
FIG. 1.

(a) AFM topography of pristine few-layer MoS2 nanoflakes. (b) Raman spectra of MoS2 nanoflakes with different number of layers. (c) KFM image ofpristine few-layer MoS2 nanoflakes. (d) The Fermi level shift of MoS2 nanoflakes on SiO2 substrate as a function of thickness.

Image of FIG. 2.
FIG. 2.

(a) AFM topography of annealed MoS2 nanoflakes and (b) Corresponding KFM image of MoS2 nanoflakes. (c) Fermi level shift of annealed MoS2 nanoflakes as a function of thickness.

Image of FIG. 3.
FIG. 3.

Schematic charge transfer model of MoS2 nanoflakes on Si/SiO2 substrate before and after annealing.

Image of FIG. 4.
FIG. 4.

(a) Schematic setup of electrical measurement of Pt/MoS2/tip by conductive AFM. (b) I-V curves of 3-, 4-, 7-,and 20-layer MoS2 nanoflakes. (c) ln(I/T2 ) verse V curve of 3-, 4-, 7-, and 20-layer MoS2 nanoflakes fitted by the thermonic emission model in the forward bias. (d) ln(I/V2 ) verse 1/V curves for fitting of F-N tunneling model for 3-, 4-, and 7-layers in the reverse bias.

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/content/aip/journal/apl/102/14/10.1063/1.4801844
2013-04-10
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface potential and interlayer screening effects of few-layer MoS2 nanoflakes
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/14/10.1063/1.4801844
10.1063/1.4801844
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