By applying nonequilibrium Green’s functions and first-principles calculations, we investigate the transport behaviors of the bitube device with two single-walled nanotubes attached to metal electrodes. The results show that the intertube interactions play an important role in the conducting behavior of these systems. By adjusting the intertube distance and the orientational order, namely changing the magnitude of the intertube interactions, a different transport behavior can be observed in the system.
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Li et al. (2007) studied this question.
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