期刊
ADVANCED MATERIALS
卷 22, 期 36, 页码 4071-4075出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201001463
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- International Center for Materials Nanoarchitectonics (MANA) of the National Institute for Materials Science (NIMS), Tsukuba, Japan
The ultimate tensile strength of individual single-walled carbon nanotubes (CNTs) is measured in a high-resolution transmission electron microscopy equipped with a conducting atomic force microscopy unit. The values are correlated to every tube's structural details. The strength of similar to 100 GPa, approaching the theoretical limit for defect-free CNTs, is documented in tubes without visible defects; for those with spatially separated stepwise pentagon-heptagon defects, determining the breaking sites, it reduces to 40-70 GPa.
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