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- Asad, Muhammad,1986Chalmers tekniska högskola,Chalmers University of Technology (author)
Correlation between material quality and high frequency performance of graphene field-effect transistors
- Article/chapterEnglish2019
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- 2019
- electronicrdacarrier
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- LIBRIS-ID:oai:research.chalmers.se:702a7378-afb0-4cc9-93ab-bbe9ba586e83
- https://research.chalmers.se/publication/513393URI
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- Language:English
- Summary in:English
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- Correlations between material quality, equivalent circuit and high frequency parameters of the graphene field-effect transistors, such as mobility, contact resistivity, carrier velocity, drain conductivity, transit frequency and maximum frequency of oscillation, have been established via applying drain resistance, velocity and saturation velocity models. The correlations allow for understanding dominant limitations of the high frequency performance of transistors, which clarifies the ways of their further development. In particular, the relatively high drain conductivity is currently main limiting factor, which, however, can be counterbalanced by increasing the carrier velocity via operating transistors at higher fields, in the velocity saturation mode.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Medicinteknik Medicinsk laboratorie- och mätteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Medical Engineering Medical Laboratory and Measurements Technologies hsv//eng
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Geoteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Geotechnical 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
- field effect transistors
- spatial inhomogeneity
- graphene
- transit frequency
- contact resistances
- microwave electronics
- maximum frequency of oscillation
- high frequency
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- Bonmann, Marlene,1988Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)marbonm (author)
- Yang, Xinxin,1988Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)xinxiny (author)
- Vorobiev, Andrei,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)vorobiev (author)
- Stake, Jan,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)stake (author)
- Chalmers tekniska högskola (creator_code:org_t)
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