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- W2618448876 abstract "Abstract By means of density functional theory and non-equilibrium Green’s function methods, the calculations related to electron transport and quantum conductance through a zigzag-edge graphene nanoribbon (ZGNR) and its oxidized graphene containing (GO) form are performed. The computed I - V b (current as a function of bias voltage) characteristic of the studied systems showed the tunneling phenomenon in bias and gate voltages under consideration. It was found that, for the studied systems, NDR behaviors were observed, which for the symmetrical and assymetrical oxidized graphene nanoribbons, these NDRs arise from the interaction between the narrow density of states of the hydrogen terminated leads and discrete states in the scattering region. For the pristine zigzag graphene nanoribbo, a large bias makes asymmetric coupling between the electrodes and scattering region. This results in the creation of asymmetric potential profile because of depletion of charge and decrease of screening near the left electrode. Along with the transport properties, electronic properties including the total density of states (TDOS), projected density of states(PDOS), rectification and eigenchannels were calculated in the studied systems." @default.
- W2618448876 created "2017-06-05" @default.
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- W2618448876 date "2017-09-01" @default.
- W2618448876 modified "2023-09-27" @default.
- W2618448876 title "The diode characteristics and rectification effect of three nanodevice containing graphene and oxidized graphene nanoribbons: A density functional theory + non-equilibrium Green’s function study" @default.
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- W2618448876 doi "https://doi.org/10.1016/j.commatsci.2017.05.027" @default.
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