859 research outputs found
Transfer Characteristics in Graphene Field-Effect Transistors with Co Contacts
Graphene field-effect transistors with Co contacts as source and drain
electrodes show anomalous distorted transfer characteristics. The anomaly
appears only in short-channel devices (shorter than approximately 3
micrometers) and originates from a contact-induced effect. Band alteration of a
graphene channel by the contacts is discussed as a possible mechanism for the
anomalous characteristics observed.Comment: 10 pages, 3 figures, Appl. Phys. Let
Logic Ciucuits Using Solution-processed Single-walled Carbon Nanotue Transistors
This letter reports on the realization of logic circuits employing
solution-processed networks of single-walled carbon nanotubes. We constructed
basic logic gates (inverter, NAND and NOR) with n- and p-type field-effect
transistors fabricated by solution-based chemical doping. Complementary
metal-oxide-semiconductor inverters exhibited voltage gains of up to 20, which
illustrates the great potential of carbon nanotube networks for printable
flexible electronics.Comment: 12 PAGES, 3 FIGURE
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