Nanomechanics of Carbon Tubes: Instabilities beyond Linear Response

B. I. Yakobson, C. J. Brabec, and J. Bernholc
Phys. Rev. Lett. 76, 2511 – Published 1 April 1996
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Abstract

Carbon nanotubes subject to large deformations reversibly switch into different morphological patterns. Each shape change corresponds to an abrupt release of energy and a singularity in the stress-strain curve. These transformations, simulated using a realistic many-body potential, are explained by a continuum shell model. With properly chosen parameters, the model provides a remarkably accurate “roadmap” of nanotube behavior beyond Hooke's law.

  • Received 22 September 1995

DOI:https://doi.org/10.1103/PhysRevLett.76.2511

©1996 American Physical Society

Authors & Affiliations

B. I. Yakobson, C. J. Brabec, and J. Bernholc

  • Department of Physics, North Carolina State University, Raleigh, North Carolina 27695

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Issue

Vol. 76, Iss. 14 — 1 April 1996

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