Abstract
Using the recently developed dynamical model of fullerite, which incorporates acoustic, librational, orientational diffusive and tunneling modes as the trial frequency distribution function (FDF), the experimental temperature variation of specific heat has been numerically unfolded for the first time for such a composite FDF, to obtain still better and more realistic FDF of the dynamical modes. The unfolded FDF yields the computed values of specific heat in much better agreement with the corresponding experimental results in the temperature range 0.2–300 K. The temperature dependent percentage deviation of the experimental specific heat with the computed values with respect to the experimental values for the unfolded FDF, is far smaller in contrast to that given by other suggested theoretical models.
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