Sökning: AMNE:(NATURVETENSKAP) AMNE:(Fysik) AMNE:(Annan fysik) > C60 one- and two-di...
Fältnamn | Indikatorer | Metadata |
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000 | 03940naa a2200721 4500 | |
001 | oai:DiVA.org:umu-23161 | |
003 | SwePub | |
008 | 090602s1999 | |||||||||||000 ||eng| | |
009 | oai:DiVA.org:ltu-7098 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-231612 URI |
024 | 7 | a https://doi.org/10.1103/PhysRevB.60.169202 DOI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70982 URI |
040 | a (SwePub)umud (SwePub)ltu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Nagel, Peter4 aut |
245 | 1 0 | a C60 one- and two-dimensional polymers, dimers, and hard fullerite: Thermal expansion, anharmonicity, and kinetics of depolymerization |
264 | 1 | b American Physical Society,c 1999 |
338 | a print2 rdacarrier | |
500 | a Upprättat; 1999; 20070420 (ysko) | |
520 | a We report on high-resolution thermal expansion measurements of high-temperature-pressure treated C60 [one-dimensional (1D) and (2D) polymers and “hard fullerite”], as well as of C60 dimers and single crystal monomer C60 between 10 and 500 K. Polymerization drastically reduces the thermal expansivity from the values of monomeric C60 due to the stronger and less anharmonic covalent bonds between molecules. The expansivity of the “hard” material approaches that of diamond. The large and irreversible volume change upon depolymerization between 400 and 500 K makes it possible to study the kinetics of depolymerization, which is described excellently by a simple activated process, with activation energies of 1.9±0.1 eV (1D and 2D polymers) and 1.75±0.05 eV (dimer). Although the activation energies are very similar for the different polymers, the depolymerization rates differ by up to four orders of magnitude at a given temperature, being fastest for the dimers. Preliminary kinetic data of C70 polymers are presented as well. | |
650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
650 | 7 | a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng |
653 | a Fullerenes | |
653 | a C60 | |
653 | a C70 | |
653 | a fullerene polymers | |
653 | a high pressure synthesis | |
653 | a thermal depolymerization | |
653 | a thermal expansion | |
653 | a activation energy | |
653 | a dimers | |
653 | a linear polymer chains | |
653 | a two-dimensional polymers | |
653 | a hard fullerite | |
653 | a orthorhombic polymer | |
653 | a tetragonal polymer | |
653 | a diamond | |
653 | a Condensed matter physics | |
653 | a Kondenserade materiens fysik | |
653 | a fysik | |
653 | a Physics | |
653 | a Fysik | |
700 | 1 | a Pasler, Volker4 aut |
700 | 1 | a Lebedkin, Sergei4 aut |
700 | 1 | a Soldatov, Alexander4 aut |
700 | 1 | a Meingast, Christoph4 aut |
700 | 1 | a Sundqvist, Bertilu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)besu0001 |
700 | 1 | a Persson, Per-Axelu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)pepe0001 |
700 | 1 | a Tanaka, T.4 aut |
700 | 1 | a Komatsu, K.4 aut |
700 | 1 | a Buga, Sergei4 aut |
700 | 1 | a Inaba, Akira4 aut |
710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
773 | 0 | t Physical Review B. Condensed Matter and Materials Physicsd : American Physical Societyg 60:24, s. 16920-16927q 60:24<16920-16927x 1098-0121x 1550-235X |
856 | 4 | u http://link.aps.org/doi/10.1103/PhysRevB.60.16920 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-23161 |
856 | 4 8 | u https://doi.org/10.1103/PhysRevB.60.16920 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-7098 |
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