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Surface potential v...
Surface potential variations in epitaxial graphene devices investigated by Electrostatic Force Spectroscopy
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- Panchal, V. (författare)
- National Physical Laboratory (NPL),Royal Holloway University of London,National Physical Laboratory, Teddington, UK
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- Burnett, T. L. (författare)
- National Physical Laboratory (NPL),University of Manchester,National Physical Laboratory, Teddington, UK
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- Pearce, R. (författare)
- National Physical Laboratory (NPL),National Physical Laboratory, Teddington, UK
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- Cedergren, Karin, 1975 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Göteborg Sweden
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- Yakimova, Rositza (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Tzalenchuk, A.Y. (författare)
- National Physical Laboratory (NPL),National Physical Laboratory, Teddington, UK
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- Kazakova, O. (författare)
- National Physical Laboratory (NPL),National Physical Laboratory, Teddington, UK
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(creator_code:org_t)
- ISBN 9781467321983
- IEEE, 2012
- 2012
- Engelska.
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Ingår i: Proceedings of the IEEE Conference on Nanotechnology. - : IEEE. - 1944-9399 .- 1944-9380. - 9781467321983
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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https://research.cha...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Electrostatic Force Spectroscopy and Scanning Kelvin Probe Microscopy techniques are used to study the performance of side-gated Hall devices made of epitaxial graphene on 4H-SiC(0001). Electrostatic Force Spectroscopy is a novel method which allows quantitative surface potential measurements with high spatial resolution. Using these techniques, we calibrate work function of the metal coated tip and define the work functions for single and double-layer graphene. We also show that the use of moderate strength electrical fields in the side-gate geometry does not notably change the performance of the device.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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