Determination of the Young’s Modulus of Structurally Defined Carbon Nanotubes

We have combined optical characterization with a magnetic actuation technique to measure the stiffness of single-walled carbon nanotubes of defined crystal structure. The measured stiffnesses correspond to an average Young’s modulus of E = 0.97 ± 0.16 TPa. For the structures investigated, no depende...

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Veröffentlicht in:	Nano letters 2008-12, Vol.8 (12), p.4158-4161
Hauptverfasser:	Wu, Yang, Huang, Mingyuan, Wang, Feng, Huang, X. M. Henry, Rosenblatt, Sami, Huang, Limin, Yan, Hugen, O’Brien, Stephen P, Hone, James, Heinz, Tony F
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Mechanical and acoustical properties of condensed matter Mechanical properties of nanoscale materials Nanocrystalline materials Nanoscale materials and structures: fabrication and characterization Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Nanotubes Physics Structure of solids and liquids crystallography
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Zusammenfassung:	We have combined optical characterization with a magnetic actuation technique to measure the stiffness of single-walled carbon nanotubes of defined crystal structure. The measured stiffnesses correspond to an average Young’s modulus of E = 0.97 ± 0.16 TPa. For the structures investigated, no dependence on the nanotube chiral index was observed within the indicated experimental accuracy.
ISSN:	1530-6984 1530-6992
DOI:	10.1021/nl801563q