期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 120, 期 3, 页码 1945-1951出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.5b10670
关键词
-
资金
- NSERC
Boron nitride nanotubes (BNNTs) are a one-dimensional material with high mechanical strength, good electric insulation, exceptional thermal conductivity, and high temperature stability. The presence of defects and,,deformations in BNNTs at the nanoscale affects mechanical properties. In- this article, we jointly utilize nanomechanical,characterizatiOn and infrared scattering type near -field microscopy on the same individual BNNTs to study the defects and deformations. A characteristic structural defect of BNNT is revealed by a blue -shift of infrared absorption and discontinuity in adhesion. Polygonal facets have been observed: in BNNTs, as supported by their mechanical responses and spectroscopic signatures. The presence of polygon -al facets implies one should expect reactive chemical and hyperbolic optical properties of BNNTs.
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