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Mesoscopic conductance fluctuations in multi-layer graphene
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10.1063/1.4816721
/content/aip/journal/apl/103/4/10.1063/1.4816721
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816721
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Longitudinal resistivity () as a function of magnetic field at various temperatures . Inset shows an optical microscope image of the device. (b) Magneto-conductance fluctuations of the multi-layer graphene device at various temperatures . Inset shows the multi-layer graphene device resistivity () as a function of temperature for  = 0.

Image of FIG. 2.
FIG. 2.

(a) The phase coherence length () as a function of temperature in multi-layer graphene device. Inset shows vs in semi-logarithmic scale. (b) Temperature dependence of the dephasing time in semi-logarithmic scale in multi-layer graphene device.

Image of FIG. 3.
FIG. 3.

(a) The conductance ( ) as a function of back gate voltage for a single-layer graphene sample near the Dirac point. Inset shows the optical image of a single-layer graphene flake in contrast. (b) Magneto-conductance fluctuations of the single-layer graphene flake at various temperatures . Inset shows the single-layer graphene flake resistance () as a function of magnetic field at  = 0.924 K,  = 4.9 V and  = 1.004 K,  = 0 V.

Image of FIG. 4.
FIG. 4.

(a) The phase coherence length () as a function of temperature in single-layer graphene flake. Inset shows normalized correlation function for single-layer graphene flake at  = 0.954 K,  = 4.9 V. (b) Temperature dependence of the dephasing time in semi-logarithmic scale in multi-layer graphene device and in single-layer graphene. The onset temperatures of the low-temperature saturation of dephasing time are  = 1.1 K in multi-layer graphene device and  = 10 K in single-layer graphene, respectively.

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/content/aip/journal/apl/103/4/10.1063/1.4816721
2013-07-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mesoscopic conductance fluctuations in multi-layer graphene
http://aip.metastore.ingenta.com/content/aip/journal/apl/103/4/10.1063/1.4816721
10.1063/1.4816721
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