We investigate the mechanical properties of sharpened nanotube tips for use in scanning probe microscopy in terms of tip bending under a force acting on the side of the tip. The sharpened nanotube probe fabricated by means of a modified electrical breakdown process effectively acts as a probe with high lateral resolution not only in the topographic measurement but also in the potential distribution measurement. Based on molecular mechanics calculations for a sharpened triple-walled nanotube probe, although the interlayer van-der-Waals interaction weakens the probe stiffness expected on the basis of the continuum model, the stiffness of the tapered nanotube is confirmed to be 10 times higher than that for a single-walled nanotube with the same tip radius and the same length. ©2005 The Japan Society of Applied Physics.
CITATION STYLE
Akita, S., Ohashi, M., & Nakayama, Y. (2005). Mechanical properties of sharpened carbon nanotube tips. Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, 44(4 A), 1637–1640. https://doi.org/10.1143/JJAP.44.1637
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