Elastic modulus and resonance behavior of boron nitride nanotubes

The effective elastic modulus (E) of boron nitride nanotubes (BNNTs) was measured using the electric-field-induced resonance method inside a transmission electron microscope. The average value of E from the measurements of 18 individually cantilevered BNNTs was 722 GPa, comparable to the theoretical...

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Bibliographic Details
Published in:Applied physics letters 2004-04, Vol.84 (14), p.2527-2529
Main Authors: Suryavanshi, Abhijit P., Yu, Min-Feng, Wen, Jianguo, Tang, Chengchun, Bando, Yoshio
Format: Article
Language:English
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Summary:The effective elastic modulus (E) of boron nitride nanotubes (BNNTs) was measured using the electric-field-induced resonance method inside a transmission electron microscope. The average value of E from the measurements of 18 individually cantilevered BNNTs was 722 GPa, comparable to the theoretical estimate of ∼850 GPa. No strong variation of E with the diameter of the BNNTs, which spanned from 34 to 94 nm, was observed. Low quality factors (
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1691189