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Decoupling and orde...
Decoupling and ordering of multilayer graphene on C-face 3C-SiC(111)
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- Bouhafs, Chamseddine (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Stanishev, Vallery (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Zakharov, A. A. (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,Lund University, Sweden
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- Hofmann, Tino (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,University of Nebraska, USA
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- Kuhne, Philipp (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Iakimov, Tihomir (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Yakimova, Rositsa (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Schubert, Mathias (författare)
- Linköping University,Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska fakulteten,University of Nebraska, USA
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- Darakchieva, Vanya (författare)
- Linköping University,Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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(creator_code:org_t)
- AMER INST PHYSICS, 2016
- 2016
- Engelska.
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Ingår i: Applied Physics Letters. - : AMER INST PHYSICS. - 0003-6951 .- 1077-3118. ; 109:20
- Relaterad länk:
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https://aip.scitatio...
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- We show experimentally that few layer graphene (FLG) grown on the carbon terminated surface (C-face) of 3C-SiC(111) is composed of decoupled graphene sheets. Landau level spectroscopy on FLG graphene is performed using the infrared optical Hall effect. We find that Landau level transitions in the FLG exhibit polarization preserving selection rules and the transition energies obey a square-root dependence on the magnetic field strength. These results show that FLG on C-face 3C-SiC(111) behave effectively as a single layer graphene with linearly dispersing bands (Dirac cones) at the graphene K point. We estimate from the Landau level spectroscopy an upper limit of the Fermi energy of about 60 meV in the FLG, which corresponds to a carrier density below 2.5 x 10(11) cm(-2). Low-energy electron diffraction mu-LEED) reveals the presence of azimuthally rotated graphene domains with a typical size of amp;lt;= 200 nm.mu-LEED mapping suggests that the azimuth rotation occurs between adjacent domains within the same sheet rather than vertically in the stack. Published by AIP Publishing.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
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- art (ämneskategori)
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