B Stojetz et al 2004 New J. Phys. 6 27 doi:10.1088/1367-2630/6/1/027
Ensemble averaging of conductance fluctuations in multiwall carbon nanotubes
Focus on Carbon NanotubesB Stojetz1, Ch Hagen1, Ch Hendlmeier1, E Ljubović2, L Forró2 and Ch Strunk1
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We report resistance measurements for a single multiwall carbon nanotube as a function of gate voltage and perpendicular magnetic field. The tubes were trapped onto pre-patterned Al electrodes by means of an ac electric field. Magnetoresistance traces measured for various values of the gate voltage were averaged, which corresponds to an ensemble averaging of conductance fluctuations induced by quantum interference. The ensemble averaging decreases the conductance fluctuations, while leaving the weak localization contribution to the resistance unchanged. Our data can be consistently interpreted in terms quantum transport in the presence of a weak disorder.
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Issue 1 (February 2004)
Received 30 July 2003
Published 27 February 2004
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Ensemble averaging of conductance fluctuations in multiwall carbon nanotubes
B Stojetz et al 2004 New J. Phys. 6 27
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