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Thermal expansion of fullerite C60 alloyed with argon and neon
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2001 (English)In: Low temperature physics (Woodbury, N.Y., Print), ISSN 1063-777X, Vol. 27, no 12, 1033-1036 p.Article in journal (Refereed) Published
Abstract [en]

The linear thermal expansion of compacted fullerite C60 alloyed with argon (ArxC60) and neon (NexC60) are investigated by a dilatometric method. The experimental temperature is 2–12 K. In the same temperature interval the thermal expansion of ArxC60 and NexC60 are examined after partial desaturation of the gases from fullerite. It is found that Ar and Ne alloying affects the temperature dependence of the thermal expansion coefficient of C60 quite appreciably. The libration and translation contributions to the thermal expansion of pure C60 are separated. The experimental results on the thermal expansion are used to obtain the Debye temperature of pure C60. The effects observed are tentatively interpreted.

Place, publisher, year, edition, pages
Woodbury: American Institute of Physics , 2001. Vol. 27, no 12, 1033-1036 p.
Keyword [en]
Fullerenes, C60, thermal expansion, low temperatures, negative thermal expansion, intercalation, noble gases, inert gases, Ne, Ar
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-21714DOI: 10.1063/1.1430848OAI: diva2:211677

Simultaneous original publication in Fizika Nizkihk Temperatur (Kharkov), vol. 27, pp. 1401-1405 (2001)

Available from: 2009-04-17 Created: 2009-04-17 Last updated: 2012-10-24Bibliographically approved

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Sundqvist, Bertil
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Department of Physics
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