Thermal expansion of solutions of deuteromethane in fullerite C60 at low temperatures. Isotopic effect

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dc.contributor.authorDolbin, AVen_AU
dc.contributor.authorVinnikov, NAen_AU
dc.contributor.authorGavrilko, VGen_AU
dc.contributor.authorEsel'son, VBen_AU
dc.contributor.authorManzheliĭ, VGen_AU
dc.contributor.authorGadd, GEen_AU
dc.contributor.authorMoricca, SAen_AU
dc.contributor.authorCassidy, DJen_AU
dc.contributor.authorSundqvist, Ben_AU
dc.date.accessioned2010-04-05T23:58:27Zen_AU
dc.date.accessioned2010-04-30T05:04:07Zen_AU
dc.date.available2010-04-05T23:58:27Zen_AU
dc.date.available2010-04-30T05:04:07Zen_AU
dc.date.issued2009-03en_AU
dc.date.statistics2009-03en_AU
dc.description.abstractThe thermal expansion of CD4 solutions in the orientational glass C60 with molar concentration of deuteromethane 20 and 50% has been investigated in the temperature range 2.5–23 K. The orientational glass CD4–C60 undergoes a first-order phase transition in the temperature interval 4.5–55 K. This transition is manifested as hysteresis of the linear thermal expansion coefficient α as well as maxima in the temperature dependences α(T) and τ1(T), where τ1 is the characteristic thermalization time of the experimental samples. The characteristic re-orientation times of the C60 molecules and the characteristic phase transformations occurring in the experimental solutions are determined. The results of the present study are compared with the results of a similar study of the solution CH4–C60. It is concluded that tunneling rotation of the CH4 and CD4 molecules occupying interstitial positions in the fullerite C60 lattice occurs. © 2009, American Institute of Physicsen_AU
dc.identifier.citationDolbin, A. V., Vinnikov, N. A., Gavrilko, V. G., Esel'son, V. B., Manzheliĭ, V. G., Gadd, G. E., Morrica, S., Cassidey, D., & Sundqvist, B. (2009). Thermal expansion of solutions of deuteromethane in fullerite c-60 at low temperatures. Isotopic effect. Low Temperature Physics, 35(3), 226-231. doi:10.1063/1.3081155en_AU
dc.identifier.govdoc1266en_AU
dc.identifier.issn1063-777Xen_AU
dc.identifier.issue3en_AU
dc.identifier.journaltitleLow Temperature Physicsen_AU
dc.identifier.pagination226-231en_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.3081155en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3030en_AU
dc.identifier.volume35en_AU
dc.language.isoenen_AU
dc.publisherAmerican Institute of Physicsen_AU
dc.subjectThermal expansionen_AU
dc.subjectCobalt 60en_AU
dc.subjectGlassen_AU
dc.subjectPhase transformationsen_AU
dc.subjectHysteresisen_AU
dc.subjectCell differentiationen_AU
dc.titleThermal expansion of solutions of deuteromethane in fullerite C60 at low temperatures. Isotopic effecten_AU
dc.typeJournal Articleen_AU
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