Measurements of the critical strain for rippling in carbon nanotubes | Zendy

H. Jackman | Zendy; Pavel Krakhmalev | Zendy; Krister Svensson | Zendy

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Measurements of the critical strain for rippling in carbon nanotubes

Author(s) -

H. Jackman,

Pavel Krakhmalev,

Krister Svensson

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3587613

Subject(s) - rippling , materials science , carbon nanotube , stiffness , bending , mechanical properties of carbon nanotubes , composite material , atomic force microscopy , deformation (meteorology) , bending stiffness , buckling , scanning electron microscope , modulus , strain (injury) , nanotechnology , nanotube , medicine , computer science , programming language

We report measurements of the bending stiffness in free standing carbon nanotubes, using atomic force microscopy inside a scanning electron microscope. Two regimes with different bending stiffness were observed, indicative of a rippling deformation at high curvatures. The observed critical strains for rippling were in the order of a few percent and comparable to previous modeling predictions. We have also found indications that the presence of defects can give a higher critical strain value and a concomitant reduction in Youngs modulus

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