Abstract
The present paper deals with the structure of carbon nanotubes of various diameters. The results of X-ray diffractometry and transmission electron microscopy are analyzed in detail. It is shown that the studied carbon nanotubes have one or several types of domain boundaries (zigzag, armchair). The role of uniaxial microstrains in the formation of the domain structure in carbon nanotubes is great. The number of significant independent microstrains determines the number of the domain types in the MWCNT structure. Tubes experiencing only the εzz strain have a single-domain structure. Multiwall carbon nano-tubes with strains εzz and εxx have a multidomain structure. Nonequilibrium microstrains at interfaces during energy dissi-pation can lead to the hysteresis of thermal and mechanical properties.
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More From: Nanoscience and Technology: An International Journal
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