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Ambipolar charge tr...
Ambipolar charge transport in quasi-free-standing monolayer graphene on SiC obtained by gold intercalation
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- Kim, Kyung Ho, 1984 (författare)
- Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- He, Hans (författare)
- Chalmers University of Technology,Chalmers Univ Technol, Sweden,Chalmers University of Technology, Sweden
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- Struzzi, Claudia (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,MAX IV Lab, Sweden
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- Zakharov, Alexei (författare)
- Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory,MAX IV Lab, Sweden
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- Giusca, C. E. (författare)
- National Physical Laboratory (NPL),National Physical Laboratory, UK,Natl Phys Lab, England
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- Tzalenchuk, A. (författare)
- National Physical Laboratory (NPL),Royal Holloway University of London,National Physical Laboratory, UK,Natl Phys Lab, England; Royal Holloway Univ London, England
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- Park, Y. W. (författare)
- Seoul National University,University of Pennsylvania,Seoul Natl Univ, South Korea; Univ Penn, PA 19104 USA
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- Yakimova, Rositsa (författare)
- Linköpings universitet,Linköping University,Halvledarmaterial,Tekniska fakulteten
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- Kubatkin, Sergey, 1959 (författare)
- Chalmers University of Technology,Chalmers Univ Technol, Sweden
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- Lara Avila, Samuel, 1983 (författare)
- Chalmers University of Technology,National Physical Laboratory, UK,Chalmers Univ Technol, Sweden; Natl Phys Lab, England
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(creator_code:org_t)
- American Physical Society, 2020
- 2020
- Engelska.
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Ingår i: Physical Review B. - : American Physical Society. - 2469-9950 .- 2469-9969. ; 102:16
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Abstract
Ämnesord
Stäng
- We present a study of quasi-free-standing monolayer graphene obtained by intercalation of Au atoms at the interface between the carbon buffer layer (Bu-L) and the silicon-terminated face (0001) of 4H-silicon carbide. Au intercalation is achieved by deposition of an atomically thin Au layer on the Bu-L followed by annealing at 850 °C in an argon atmosphere. We explore the intercalation of Au and decoupling of the Bu-L into quasi-free-standing monolayer graphene by surface science characterization and electron transport in top-gated electronic devices. By gate-dependent magnetotransport we find that the Au-intercalated buffer layer displays all properties of monolayer graphene, namely gate-tunable ambipolar transport across the Dirac point, but we find no observable enhancement of spin-orbit effects in the graphene layer, despite its proximity to the intercalated Au layer.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Buffer layers; Electron transport properties; Gold; Silicon carbide; Spin orbit coupling
- 4H silicon carbide; Ambipolar charge transports; Ambipolar transport; Argon atmospheres; Electron transport; Electronic device; Graphene layers; Spin-orbit effects
- Graphene
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Kim, Kyung Ho, 1 ...
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He, Hans
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Struzzi, Claudia
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Zakharov, Alexei
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Giusca, C. E.
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Tzalenchuk, A.
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visa fler...
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Park, Y. W.
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Yakimova, Rosits ...
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Kubatkin, Sergey ...
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Lara Avila, Samu ...
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Materialteknik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
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Physical Review ...
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Chalmers tekniska högskola
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Lunds universitet
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