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- W2910895149 abstract "Using our envelope-function based simulator, we study the transport and noise properties of a graphene ribbon with a series of unevenly spaced parallel potential barriers, as a function of the number of cascaded barriers. In our calculations, performed assuming various potential profiles, we consider barriers both with identical and with different width. In particular, exploiting Klein tunneling, we propose to use this device as a mode filter, allowing the propagation of just a small number of modes along the ribbon. Then, we examine the onset of localization as the number of barriers is further increased. Finally, we analyze how the conductance and noise behavior is affected by the inclination of the barriers with respect to the nanoribbon axis. In order to gain a more complete understanding of the observed phenomena and for comparison purposes, a few analogous calculations are performed also for GaAs quantum wires." @default.
- W2910895149 created "2019-01-25" @default.
- W2910895149 creator A5034478383 @default.
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- W2910895149 date "2018-10-01" @default.
- W2910895149 modified "2023-09-25" @default.
- W2910895149 title "Study of the Filtering and Noise Properties of a Series of Tunnel Barriers in a Graphene Ribbon" @default.
- W2910895149 cites W1262665503 @default.
- W2910895149 doi "https://doi.org/10.1109/nmdc.2018.8605898" @default.
- W2910895149 hasPublicationYear "2018" @default.
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