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Intercalation of fullerite C60 with N2 molecules. An investigation by X-ray powder diffraction.
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2007 (English)In: Low Temperatre Physics, ISSN Print: 1063-777X Online: 1090-6517, Vol. 33, no 10, 881-885 p.Article in journal (Refereed) Published
Abstract [en]

The lattice parameter a of fullerite C-60 intercalated with N-2 molecules is investigated in the temperature interval 6-295 K by x-ray diffraction. It is found that the interstitial molecular N-2 has a considerable effect on both the orientational phase transition temperature T-c and the orientational glass formation temperature T-g. Hysteresis of a(T) in the T-c and T-g regions is detected, along with an abrupt change in volume over the region defining T-c. Complete intercalation of C-60 with N-2 molecules results in a 0.2% increase in the lattice parameter, which persists over the whole temperature range. Evidence is also obtained that the interstitial guest molecular N-2 induces a slight deformation of the cubic symmetry of the C-60 host lattice.

Place, publisher, year, edition, pages
2007. Vol. 33, no 10, 881-885 p.
Keyword [en]
C60, low temperature, intercalation, N2, orientational glass, glass transition
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-6438DOI: doi:10.1063/1.2796156OAI: oai:DiVA.org:umu-6438DiVA: diva2:146107
Note
Simultaneous publication in Fizika Nizkikh Temperatur vol. 33, no. 10, p. 1159-1165 (2007).Available from: 2007-12-12 Created: 2007-12-12 Last updated: 2010-01-15Bibliographically approved

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Sundqvist, Bertil

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