Coulomb Drag and Magnetotransport in Graphene Double Layers
We review the fabrication and key transport properties of graphene double layers, consisting of two graphene monolayers placed in close proximity, independently contacted, and separated by an ultra-thin dielectric. We outline a simple band structure model relating the layer densities to the applied...
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13.06.2012
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| Abstract | We review the fabrication and key transport properties of graphene double layers, consisting of two graphene monolayers placed in close proximity, independently contacted, and separated by an ultra-thin dielectric. We outline a simple band structure model relating the layer densities to the applied gate and inter-layer biases, and show that calculations and experimental results are in excellent agreement both at zero and in high magnetic fields. Coulomb drag measurements, which probe the electron-electron scattering between the two layers reveal two distinct regime: (i) diffusive drag at elevated temperatures, and (ii) mesoscopic fluctuation-dominated drag at low temperatures. We discuss the Coulomb drag results within the framework of existing theories. |
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| AbstractList | Solid State Communications (2012) - Special issue on graphene We review the fabrication and key transport properties of graphene double
layers, consisting of two graphene monolayers placed in close proximity,
independently contacted, and separated by an ultra-thin dielectric. We outline
a simple band structure model relating the layer densities to the applied gate
and inter-layer biases, and show that calculations and experimental results are
in excellent agreement both at zero and in high magnetic fields. Coulomb drag
measurements, which probe the electron-electron scattering between the two
layers reveal two distinct regime: (i) diffusive drag at elevated temperatures,
and (ii) mesoscopic fluctuation-dominated drag at low temperatures. We discuss
the Coulomb drag results within the framework of existing theories. We review the fabrication and key transport properties of graphene double layers, consisting of two graphene monolayers placed in close proximity, independently contacted, and separated by an ultra-thin dielectric. We outline a simple band structure model relating the layer densities to the applied gate and inter-layer biases, and show that calculations and experimental results are in excellent agreement both at zero and in high magnetic fields. Coulomb drag measurements, which probe the electron-electron scattering between the two layers reveal two distinct regime: (i) diffusive drag at elevated temperatures, and (ii) mesoscopic fluctuation-dominated drag at low temperatures. We discuss the Coulomb drag results within the framework of existing theories. |
| Author | Kim, Seyoung Tutuc, Emanuel |
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| BackLink | https://doi.org/10.1016/j.ssc.2012.04.032$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.1206.2854$$DView paper in arXiv |
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| DOI | 10.48550/arxiv.1206.2854 |
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| Snippet | We review the fabrication and key transport properties of graphene double layers, consisting of two graphene monolayers placed in close proximity,... Solid State Communications (2012) - Special issue on graphene We review the fabrication and key transport properties of graphene double layers, consisting of... |
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| Title | Coulomb Drag and Magnetotransport in Graphene Double Layers |
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