Article ID Journal Published Year Pages File Type
5424853 Surface Science 2007 4 Pages PDF
Abstract
Heating of multi-walled carbon nanotubes is often required to obtain clean patterns in the field electron emission microscope (FEEM). A transmission electron micrograph study of morphological changes in the cap structure of multi-walled carbon nanotubes due to heating in vacuum is presented. The lack of significant structural change in the cap structure when specimens were heated to 1925 K for 2.5 h determines an upper bound for the diffusivity of multi-walled carbon nanotube surface atoms, of the order of 10−16 cm2/s at 1925 K.
Related Topics
Physical Sciences and Engineering Chemistry Physical and Theoretical Chemistry
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