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Formation of small ...
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Lassesson, Andreas,1976Chalmers tekniska högskola,Chalmers University of Technology
(författare)
Formation of small lanthanum-carbide ions from laser induced fragmentation of La@C-82
- Artikel/kapitelEngelska2003
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LIBRIS-ID:oai:research.chalmers.se:2e43347a-380e-4a0c-b542-ec44d30bc7bc
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https://doi.org/10.1063/1.1599833DOI
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https://research.chalmers.se/publication/193516URI
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https://gup.ub.gu.se/publication/193516URI
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Språk:engelska
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Sammanfattning på:engelska
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The fragmentation behavior of the endohedral metallofullerene La@C-82 was studied using gas phase time-of-flight mass spectrometry. The results were compared with the fragmentation of C-60. When the metallofullerene was excited by a 337 nm ns laser, small lanthanum-carbide fragments LaCn+, n=0-6, were detected. A simple statistical maximum entropy model was used to simulate the excitation energy dependence of the loss of the LaCn+ molecules as well as C-2 evaporation to form smaller metallofullerenes. By comparing experimental ion intensities with the model, the appearance energies of LaCn+, n=0-6, were found to lie above 65 eV. The lanthanum-carbide fragments ejected from La@C-82 decrease in size with increasing internal energy. The ejection of La+ and LaC2+ is preferred at the expense of larger fragments such as LaC4+ and metallofullerenes at the higher excitation. (C) 2003 American Institute of Physics.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Gromov, Andrei,1959Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xgroan
(författare)
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Mehlig, Kirsten,1964Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xmehki
(författare)
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Taninaka, A.Nagoya University
(författare)
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Shinohara, H.Nagoya University
(författare)
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Campbell, Eleanor E B,1960Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)(Swepub:gu)xcamel
(författare)
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Chalmers tekniska högskolaInstitutionen för fysik (GU)
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Chemical Physics: AIP Publishing119:11, s. 5591-56001089-76900021-9606
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