Carbon nanotube electron windmills: A novel design for nanomotors

Bailey, S. W. D. and Amanatidis, I. and Lambert, Colin (2008) Carbon nanotube electron windmills: A novel design for nanomotors. Physical review letters, 100 (25): 256802. -. ISSN 0031-9007

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We propose a new drive mechanism for carbon nanotube (CNT) motors, based upon the torque generated by a flux of electrons passing through a chiral nanotube. The structure of interest comprises a double-walled CNT formed from, for example, an achiral outer tube encompassing a chiral inner tube. Through a detailed analysis of electrons passing through such a "windmill," we find that the current, due to a potential difference applied to the outer CNT, generates sufficient torque to overcome the static and dynamic frictional forces that exist between the inner and outer walls, thereby causing the inner tube to rotate.

Item Type:
Journal Article
Journal or Publication Title:
Physical review letters
Uncontrolled Keywords:
?? physicsphysics and astronomy(all)qc physics ??
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Deposited On:
29 Aug 2012 07:35
Last Modified:
16 May 2024 01:34