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- I. J. Vera-Marun
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- P. J. Zomer
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- A. Veligura
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- M. H. D. Guimarães
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- L. Visser
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- N. Tombros
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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- H. J. van Elferen
- High Field Magnet Laboratory, Institute for Molecules and Materials, Radboud University Nijmegen 2 , Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
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- U. Zeitler
- High Field Magnet Laboratory, Institute for Molecules and Materials, Radboud University Nijmegen 2 , Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
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- B. J. van Wees
- Zernike Institute for Advanced Materials, University of Groningen 1 Physics of Nanodevices, , Nijenborgh 4, 9747 AG Groningen, The Netherlands
書誌事項
- 公開日
- 2013-01-04
- DOI
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- 10.1063/1.4773589
- 公開者
- AIP Publishing
この論文をさがす
説明
<jats:p>The quantum Hall effect is a remarkable manifestation of quantized transport in a two-dimensional electron gas (2DEG). Given its technological relevance, it is important to understand its development in realistic nanoscale devices. In this work, we present how the appearance of different edge channels in a field-effect device is influenced by the inhomogeneous capacitance profile existing near the sample edges, a condition of particular relevance for graphene. We apply this practical idea to experiments on high quality graphene, demonstrating the potential of quantum Hall transport as a spatially resolved probe of density profiles near the edge of this two-dimensional electron gas.</jats:p>
収録刊行物
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- Applied Physics Letters
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Applied Physics Letters 102 (1), 013106-, 2013-01-04
AIP Publishing