Pentagons, heptagons and negative curvature in graphite microtubule growth.
摘要：
Describes the standard carbon-arc synthesis for fullerenes and the production of graphitic microtubules with helical structures. Presents images from transmission electron microscopy of a different kind of growth morphology, in which cone-like growth is transformed into cylindrical growth by the incorporation of a defect that induces negative curvature. Possible cause of the defect in the hexagonal network responsible for negative curvature; More.
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DOI：
10.1038/356776a0
被引量：
年份：
1992
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