Journal
APPLIED PHYSICS LETTERS
Volume 98, Issue 26, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3604012
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Funding
- National Science Foundation (NSF) [ECCS-1002228, ECCS-1028267]
- IBM Faculty Award
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1002228] Funding Source: National Science Foundation
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We investigate key electrical properties of monolayer graphene assembled by chemical vapor deposition (CVD). Graphene field-effect transistors (GFETs) were fabricated with carbon channel placing directly on hexagonal boron nitride (h-BN) and SiO(2). Small-signal transconductance (g(m)) and effective carrier mobility (mu(eff)) are improved by 8.5 and 4 times on h-BN, respectively, as compared with that on SiO(2). Compared with GFET with exfoliated graphene on SiO(2), g(m) and mu(eff) measured from device with CVD graphene on h-BN substrate exhibit comparable values. The experiment demonstrates the potential of employing h-BN as a platform material for large-area carbon electronics. (C) 2011 American Institute of Physics. [doi:10.1063/1.3604012]
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