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Correlation between the maximum allowable currents and the Young's moduli of the same individual carbon nanotubes was investigated in terms of current-voltage characteristics and the resonant frequencies of the cantilevered nanotubes. The maximum allowable current increases with increasing Young's modulus and saturates around 3 microA nm(-1) at Young's modulus higher than 1 TPa, indicating that electrical conduction is related to the defect density on the defective nanotube.
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Sawaya et al. (2007) studied this question.
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