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  • Soldatov, Alexander, et al. (author)
  • Polymeric fullerenes: from C60 to C70
  • 1999
  • In: AIP Conference Proceedings vol. 486. - Melville, NY : American Institute of Physics (AIP). - 1563969009 ; , s. 12-15
  • Conference paper (peer-reviewed)abstract
    • For the first time polymerization of both powder and single crystals of C70 fullerene was established after their subjection to high pressure (1.1 - 2 GPa) at elevated temperature (500 - 580 K). High-resolution capacitance dilatometry, FTIR/Raman spectroscopy and thermal conductivity were employed to characterise the polymeric phase of C70. The results demonstrate drastic changes in the physical properties of C70 on polymerization. We report on a reverse transformation to the monomeric state on heating the polymer to 500 K at ambient pressure. The activation energy of depolymerization was determined to be 1.8(1) eV. We discuss our results in terms of existing structural models for polymerization of C70 and compare the physical properties of C70 and C60 polymers.
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Type of publication
conference paper (1)
Type of content
peer-reviewed (1)
Author/Editor
Soldatov, Alexander (1)
Sundqvist, Bertil (1)
Roth, G (1)
Lebedkin, Sergei (1)
Nagel, Peter (1)
Pasler, Volker (1)
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Meingast, Christoph (1)
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University
Umeå University (1)
Luleå University of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
1999 (1)

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