Elastic modulus and resonance behavior of boron nitride nanotubes
- 5 April 2004
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 84 (14), 2527-2529
- https://doi.org/10.1063/1.1691189
Abstract
The effective elastic modulus of boron nitride nanotubes (BNNTs) was measured using the electric-field-induced resonance method inside a transmission electron microscope. The average value of from the measurements of 18 individually cantilevered BNNTs was 722 GPa, comparable to the theoretical estimate of ∼850 GPa. No strong variation of with the diameter of the BNNTs, which spanned from 34 to 94 nm, was observed. Low quality factors (<680) obtained from the mechanical resonance is attributed to the layered structural nature of BNNT.
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