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Observation of Coul...
Observation of Coulomb blockade in nanostructured epitaxial bilayer graphene on SiC
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- Chua, C. (author)
- University Of Cambridge,University of Cambridge, England
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- Lartsev, Arseniy, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers, Sweden
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- Sui, Jinggao (author)
- University Of Cambridge,University of Cambridge, England
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- Panchal, V. (author)
- National Physical Laboratory (NPL),National Phys Lab, England
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- Puddy, Reuben (author)
- University Of Cambridge,University of Cambridge, England
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- Richardson, Carly (author)
- University Of Cambridge,University of Cambridge, England
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- Smith, Charles G. (author)
- University Of Cambridge,University of Cambridge, England
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- Janssen, Tjbm (author)
- National Physical Laboratory (NPL),National Phys Lab, England
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- Tzalenchuk, Alexander (author)
- National Physical Laboratory (NPL),Royal Holloway University of London,National Phys Lab, England; Royal Holloway University of London, England
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- Yakimova, Rositsa (author)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Kubatkin, Sergey, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers, Sweden
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- Connolly, M. (author)
- University Of Cambridge,University of Cambridge, England
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(creator_code:org_t)
- Elsevier BV, 2017
- 2017
- English.
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In: Carbon. - : Elsevier BV. - 0008-6223 .- 1873-3891. ; 119, s. 426-430
- Related links:
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http://arxiv.org/pdf...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
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- We study electron transport in nanostructures patterned in bilayer graphene patches grown epitaxially on SiC as a function of doping, magnetic field, and temperature. Away from charge neutrality transport is only weakly modulated by changes in carrier concentration induced by a local side-gate. At low n-type doping close to charge neutrality, electron transport resembles that in exfoliated graphene nanoribbons and is well described by tunnelling of single electrons through a network of Coulomb-blockaded islands. Under the influence of an external magnetic field, Coulomb blockade resonances fluctuate around an average energy and the gap shrinks as a function of magnetic field. At charge neutrality, however, conduction is less insensitive to external magnetic fields. In this regime we also observe a stronger suppression of the conductance below T*, which we interpret as a sign of broken interlayer symmetry or strong fluctuations in the edge/potential disorder.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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- art (subject category)
- ref (subject category)
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Carbon
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- By the author/editor
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Chua, C.
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Lartsev, Arseniy ...
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Sui, Jinggao
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Panchal, V.
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Puddy, Reuben
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Richardson, Carl ...
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show more...
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Smith, Charles G ...
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Janssen, Tjbm
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Tzalenchuk, Alex ...
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Yakimova, Rosits ...
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Kubatkin, Sergey ...
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Connolly, M.
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Nano technology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Carbon
- By the university
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Chalmers University of Technology
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Linköping University