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First X-ray diffraction analysis of pressure polymerized C60 single crystals
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
1997 (English)In: Europhysics letters, ISSN 0295-5075, Vol. 40, no 1, 55-60 p.Article in journal (Refereed) Published
Abstract [en]

It is shown that C60 single crystals can be polymerized under relatively modest pressure-temperature conditions. The resulting single crystals exhibit long-range order and they are made up of 12 orientation variants. The structure is orthorhombic with a short intermolecular distance along the chains (9.14 Å), characteristic of covalent bonding. We propose a structural mechanism for the polymerization of fullerene-based compounds; it involves a shift of one of the (111) cubic planes together with a shortening of the (111) spacing. The configuration of the polymer chains presents interesting relations with that found in the A1C60 polymer compounds.

Place, publisher, year, edition, pages
1997. Vol. 40, no 1, 55-60 p.
Keyword [en]
Fullerenes, C60, high pressure synthesis, structure, X-ray diffraction, XRD, molecular chains, intermolecular bonds, cycloaddition, orthorhombic, rotational angles, variants, polymerization mechanism
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-25728DOI: 10.1209/epl/i1997-00424-4OAI: diva2:233414
Available from: 2009-09-01 Created: 2009-09-01 Last updated: 2009-12-14

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Persson, Per-AxelSundqvist, Bertil
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