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Physical properties of pressure polymerized C60
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
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1996 (English)In: Fullerenes: Recent Advances in the Chemistry and Physics of Fullerenes and Related Materials, volume 3: Proceedings of the 189th ECS Meeting, Symposium Fullerenes: Chemistry, Physics, and New Directions VIII, Los Angeles 1996, Pennington, NJ: The Electrochemical Society , 1996, 1014-1028 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present in this paper an overview of the physical properties of the high pressure polymerized C60 phase commonly known as "soft fcc". This phase has been studied by several methods over wide ranges in temperature T and/or pressure, p. We present here experimental information about the specific heat capacity, the thermal expansion coefficient, the lattice structure, and the thermal conductivity, and we also show results obtained by NMR and Raman spectroscopy. All data presented agree with the accepted model that the individual molecules in this phase are covalently bound to form linear molecular chains. In particular, the NMR data show clearly the presence of covalent bonds, and the Raman data exhibit several new lines at very low energies connected with chain vibrations. Thermal conductivity data obtained during polymerization show both the time dependence of the process and that polymerization occurs at lower p and T than observed previously for this phase.

Place, publisher, year, edition, pages
Pennington, NJ: The Electrochemical Society , 1996. 1014-1028 p.
Series
Electrochemical Society Proceedings, PV 96-10
Keyword [en]
Fullerenes, C60, polymerization, high pressure synthesis, thermal conductivity, specific heat capacity, thermal expansion, NMR, Raman spectroscopy, intermolecular bonds
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-25932ISBN: 1-56677-162-5 (print)OAI: oai:DiVA.org:umu-25932DiVA: diva2:235126
Conference
the 189th ECS Meeting, Symposium Fullerenes, Los Angeles 1996
Note

Editors: Karl M. Kadish and Rodney S. Ruoff.

Available from: 2009-09-14 Created: 2009-09-14 Last updated: 2013-06-14Bibliographically approved

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Sundqvist, BertilAndersson, OveEdlund, UlfFransson, ÅkeJacobsson, PerJohnels, DanPersson, Per-AxelSoldatov, AlexanderWågberg, Thomas
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