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Magnetic transition in the polymerized fullerene matrix
Umeå University, Faculty of Science and Technology, Department of Physics. A.F. Ioffe Physico‐Technical Institute of the RAS , St. Petersburg, Russia .
Umeå University, Faculty of Science and Technology, Department of Physics. A.F. Ioffe Physico‐Technical Institute of the RAS , St. Petersburg, Russia .
2006 (English)In: Fullerenes, Nanotubes and Carbon Nanostructures vol. 14, issue 2&3: Proceedings of the International Workshop on Fullerenes and Atomic Clusters 2005 (IWFAC2005), St. Petersburg, Taylor & Francis, 2006, Vol. 2-3, 373-380 p.Conference paper, Published paper (Refereed)
Abstract [en]

A mechanism of the ferromagnetism in the polymerized fullerene phase is proposed. We show that non‐magnetic defects and impurities give rise to a magnetic transition in the polymerized fullerene matrix. In our model, C60 molecules acquire spin and charge and become magnetically active due to the spin and charge transfer from non‐magnetic dopants. The interaction between magnetic moments of the arising paramagnetic species (C60 ± ions or C60 R radical adducts) dispersed in the polymeric network is inspected by using ab initio Hartree‐Fock and B3LYP hybrid density functional methods. It is revealed that the interaction is ferromagnetic and large enough for creating the high‐T c magnetism.

Place, publisher, year, edition, pages
Taylor & Francis, 2006. Vol. 2-3, 373-380 p.
Series
Fullerenes nanotubes and carbon nanostructures, ISSN 1536-4046 (electronic) 1536-383X (paper) ; 14
Keyword [en]
Polymerized fullerenes, ferromagnetism, ab initio calculations, spin and charge transfer, paramagnetic impurities, hydrogen, fluorine, hydroxyl group
National Category
Chemical Sciences Physical Sciences Materials Engineering
Identifiers
URN: urn:nbn:se:umu:diva-12217DOI: 10.1080/15363830600665714OAI: oai:DiVA.org:umu-12217DiVA: diva2:151888
Conference
7th Biennial International Workshop on Fullerenes and Atomic Clusters, JUN 27-JUL 01, 2005, St Petersburg, RUSSIA
Available from: 2007-03-26 Created: 2007-03-26 Last updated: 2016-05-10Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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More languages
Output format
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  • asciidoc
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