Sayeed, Ahmed ; Mitra, S. ; Anil Kumar, A. V. ; Mukhopadhyay, R. ; Yashonath, S. ; Chaplot, S. L. (2003) Diffusion of propane in zeolite NaY: a molecular dynamics and quasi-elastic neutron scattering study Journal of Physical Chemistry B, 107 (2). pp. 527-533. ISSN 1520-6106
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jp025576k
Related URL: http://dx.doi.org/10.1021/jp025576k
Abstract
We report results from molecular dynamics (MD) simulations and quasi-elastic neutron scattering (QENS) measurements of the diffusion of propane in NaY zeolite at temperatures of 300, 324, and 350 K and a loading of 4 molecules per α-cage. The self-diffusivity, D, has been obtained from mean-squared displacement (msd), as well as from three different models of diffusion fitted to the intermediate scattering function (F(Q,t)) obtained from the MD simulation trajectories. All of the diffusivity values are consistent with each other. Further, these results are in good agreement with the experimental QENS results. It is found that the jump models describe both MD simulation and QENS data reasonably.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 55794 |
| Deposited On: | 19 Aug 2011 05:51 |
| Last Modified: | 19 Aug 2011 05:51 |
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