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Experimental setup (a), a BCNT bundle attached to W tip (b), and bridged BCNT bundle (c).
Successive tests on bridged bundle pre-treated by negative field (a), positive field (b), and large positive field (c).
Mulliken charge dispersion in pristine BCNT (a), and BCNT charged by two (b) and five electrons (c). Red: B atom, purple: nearest C atoms, gray: far C atoms. Density of states calculated for pristine (blue), charged BCNT tubes by two (red), and five electrons (green). The dash lines denote corresponding positions (d).
Conduction mechanism for pristine tube (a) and bridged tube pretreated by negative [(b)–(e)] and positive field [(f)–(i)].
The average charge density at different regions within cell.
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