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Stable and Tunable Charge Carrier Control of Graphene for Quantum Resistance Metrology

He, Hans (author)
Chalmers University of Technology, Sweden,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
Lara Avila, Samuel, 1983 (author)
Chalmers University of Technology, Sweden,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
Bergsten, Tobias (author)
RISE,Mätteknik,RISE Research Institutes of Sweden,RISE Res Inst Sweden, Sweden
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Eklund, Gunnar (author)
RISE,Mätteknik,RISE Research Institutes of Sweden,RISE Res Inst Sweden, Sweden
Kim, Kyung Ho, 1984 (author)
Chalmers University of Technology, Sweden,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
Yakimova, Rositsa (author)
Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
Park, Yung Woo (author)
Seoul National University, South Korea,University of Pennsylvania,Seoul Natl Univ, South Korea; Univ Penn, PA 19104 USA
Kubatkin, Sergey, 1959 (author)
Chalmers University of Technology, Sweden,Chalmers tekniska högskola,Chalmers Univ Technol, Sweden
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 (creator_code:org_t)
IEEE, 2018
2018
English.
In: 2018 Conference on Precision Electromagnetic Measurements (CPEM 2018). - : IEEE. - 9781538609736 - 9781538609743
  • Conference paper (peer-reviewed)
Abstract Subject headings
Close  
  • Here we demonstrate a stable and tunable method to alter the carrier concentration of epitaxial graphene grown on silicon carbide. This technique relies on chemical doping by an acceptor molecule. Through careful tuning one can produce chemically doped graphene quantum resistance devices which show long-term stability in ambient conditions and have performance comparable to that of GaAs quantum resistance standards. This development paves the way for controlled device fabrication of graphene quantum hall resistance standards, which can be reliably tailored to operate below 5 T and above 4 K out-of-the-box, without further adjustments from the end-user.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Medicinteknik -- Medicinsk apparatteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Medical Engineering -- Medical Equipment Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
NATURVETENSKAP  -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Condensed Matter Physics (hsv//eng)

Keyword

chemical doping
graphene
measurement standards
quantum hall effect
Carrier concentration
Gallium arsenide
Graphene devices
III-V semiconductors
Silicon carbide
Acceptor molecules
Ambient conditions
Device fabrications
Long term stability
Quantum Hall resistance
Quantum resistance

Publication and Content Type

ref (subject category)
kon (subject category)

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