Abstract
The operation of a digital logic inverter consisting of one p- and one n-type graphene transistor integrated on the same sheet of monolayer graphene is demonstrated. Both transistors initially exhibited p-type behavior at low gate voltages, since air contamination shifted their Dirac points from zero to a positive gate voltage. Contaminants in one transistor were removed by electrical annealing, which shifted its Dirac point back and therefore restored n-type behavior. Boolean inversion is obtained by operating the transistors between their Dirac points. The fabricated inverter represents an important step toward the development of digital integrated circuits on graphene.
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Dates
Type | When |
---|---|
Created | 16 years, 2 months ago (June 8, 2009, 10:51 a.m.) |
Deposited | 2 years, 2 months ago (July 2, 2023, 5:52 p.m.) |
Indexed | 1 month, 1 week ago (July 30, 2025, 6:52 a.m.) |
Issued | 16 years, 3 months ago (June 1, 2009) |
Published | 16 years, 3 months ago (June 1, 2009) |
Published Online | 16 years, 3 months ago (June 5, 2009) |
Published Print | 16 years, 3 months ago (June 1, 2009) |
@article{Traversi_2009, title={Integrated complementary graphene inverter}, volume={94}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3148342}, DOI={10.1063/1.3148342}, number={22}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Traversi, Floriano and Russo, Valeria and Sordan, Roman}, year={2009}, month=jun }