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Surprising Superstructures: Rings
Author(s) -
Vossmeyer Tobias,
Chung SungWook,
Gelbart William M.,
Heath James R.
Publication year - 1998
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/(sici)1521-4095(199803)10:4<351::aid-adma351>3.0.co;2-e
Subject(s) - materials science , rod , ring (chemistry) , superstructure , scanning electron microscope , crystallography , morphology (biology) , carbon nanotube , nanotechnology , spheres , composite material , physics , organic chemistry , chemistry , medicine , alternative medicine , genetics , pathology , astronomy , biology , thermodynamics
The symmetries of superstructures are often determined by the shape of the subunits, e.g., spheres, disks, or rods. Ring superstructures would not be predicted for any of these subunit shapes, but have in fact recently been found, as can be seen from the Figure, a scanning electron micrograph of carbon nanotube rings. The ring superstructures observed for three diverse materials are discussed and the systems compared and contrasted.