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Pressure polymerized C60 single crystals: First x-ray diffraction results
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
1998 (English)In: Molecular Nanostructures: Proceedings of the International Winterschool on Electronic Properties of Novel Materials, Kirchberg 1997, Singapore: World Scientific , 1998, 348-352 p.Conference paper, Published paper (Refereed)
Abstract [en]

C60 single crystals compressed at approx. 1 GPa and heated at about 300 C are found to polymerize in one dimension without losing their crystalline order. The resulting structure is orthrhombic, with space group Pmnn and parameters a=9.14 Å, b=9.9 Å and c=14.66 Å. The X-ray single crystal results allow us to derive a polymerization mechanism, which may also, for instance, apply to one dimensional C60 polymers in the doped compounds. The new polymer phase is discussed with respect to the C60 pressure-temperature diagram. The comparison with the A1C60 polymers raises questions about the interchain and the alkali metal - fullerene interactins.

Place, publisher, year, edition, pages
Singapore: World Scientific , 1998. 348-352 p.
Keyword [en]
Fullerenes, C60, X-ray diffraction, single crystal polymer, structure, orthorhombic, chain orientation, alkali metal doping, pressure-temperature phase diagram
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-23483ISBN: 978-981-02-3261-0 (print)OAI: oai:DiVA.org:umu-23483DiVA: diva2:224644
Note
Editors: Hans Kuzmany, Jörg Fink, Michael Mehring and Siegmar Roth.Available from: 2009-06-20 Created: 2009-06-20 Last updated: 2010-01-26

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Persson, Per-AxelSundqvist, Bertil

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