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Topochemical polyme...
Topochemical polymerization of C70 controlled by monomer crystal packing
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Soldatov, Alexander (författare)
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- Roth, Georg (författare)
- Institut fur Kristallographie der Rheinisch-Westfahlische Technische Hochschule Aachen
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- Dzyabchenko, Alexander (författare)
- Karpov Institute of Physical Chemistry, Moscow
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- Johnels, Dan (författare)
- Umeå universitet,Kemiska institutionen,Umeå university
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- Lebedkin, Sergei (författare)
- Forschungszentrum Karlsruhe Technik und Umwelt
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- Meingast, Christoph (författare)
- Forschungszentrum Karlsruhe Technik und Umwelt
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- Sundqvist, Bertil (författare)
- Umeå universitet,Institutionen för fysik,Umeå university
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- Haluska, Miro (författare)
- Institut fur Materialphysik, Universität Wien
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- Kuzmany, Hans (författare)
- Institut fur Materialphysik, Universität Wien
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(creator_code:org_t)
- American Association for the Advanement of Science, 2001
- 2001
- Engelska.
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Ingår i: Science. - : American Association for the Advanement of Science. - 0036-8075 .- 1095-9203. ; 293:5530, s. 680-683
- Relaterad länk:
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http://www.sciencema...
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http://ltu.diva-port...
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https://ltu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Polymeric forms of C60 are now well known, but numerous attempts to obtain C70 in a polymeric state have yielded only dimers. Polymeric C70 has now been synthesized by treatment of hexagonally packed C70 single crystals under moderate hydrostatic pressure (2 gigapascals) at elevated temperature (300°C), which confirms predictions from our modeling of polymeric structures of C70. Single-crystal x-ray diffraction shows that the molecules are bridged into polymeric zigzag chains that extend along the c axis of the parent structure. Solid-state nuclear magnetic resonance and Raman data provide evidence for covalent chemical bonding between the C70 cages.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Nyckelord
- Fullerenes
- C70
- polymerization
- high pressure
- topochemical polymerization
- orthorhombic polymer structure
- structure
- X-ray diffraction
- Raman scattering
- NMR
- nuclear magnetic resonance
- Condensed matter physics
- Kondenserade materiens fysik
- Materials Science
- materialvetenskap
- Fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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