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JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
Volume 42, Issue 7B, Pages 4830-4833Publisher
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.42.4830
Keywords
carbon nanotube; scanning probe microscopy; nanomanipulation; nanomechanics; molecular mechanics calculation; tribology
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We have successfully measured the gliding force for an interlayer of individual multiwall carbon nanotubes using a combination of a well-controlled electrical breakdown process and a manipulation process using a scanning electron microscope. A sliding force of similar to4 nN for an inner layer diameter of 5 nm is maintained constant during a sliding process. This result agrees well not only with the theoretical calculation based on the van der Waals interaction of the interlayer but also with the molecular mechanics calculations for double-walled nanotubes using an empirical potential. These agreements also indicate that the layered structure exhibits ideal characteristics even after the electrical breakdown process.
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