A plausible interpretation of the density scaling of the diffusivity in viscous liquids
Fundamental thermodynamic concepts and an earlier elastic solid-state point defect model are employed to formulate an analytical second-order polynomial function describing the density scaling of the diffusion coefficient in viscous liquids. The scaling exponent is correlated, within the approximati...
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| Veröffentlicht in: | Journal of non-crystalline solids 2011-01, Vol.357 (2), p.401-403 |
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| container_title | Journal of non-crystalline solids |
| container_volume | 357 |
| creator | Papathanassiou, Anthony N. |
| description | Fundamental thermodynamic concepts and an earlier elastic solid-state point defect model are employed to formulate an analytical second-order polynomial function describing the density scaling of the diffusion coefficient in viscous liquids. The scaling exponent is correlated, within the approximations made in the present approach, with the pressure derivative of the isothermal bulk modulus. Our findings are compared with computer simulation results. |
| doi_str_mv | 10.1016/j.jnoncrysol.2010.07.045 |
| format | Article |
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| ispartof | Journal of non-crystalline solids, 2011-01, Vol.357 (2), p.401-403 |
| issn | 0022-3093 1873-4812 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_864411095 |
| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Approximation Condensed matter: structure, mechanical and thermal properties Density Derivatives Diffusion coefficient Diffusive momentum transport (including viscosity of liquids) Diffusivity Exact sciences and technology Liquids Mathematical analysis Mathematical models Physics Pressure Scaling Transport properties of condensed matter (nonelectronic) Viscous liquids |
| title | A plausible interpretation of the density scaling of the diffusivity in viscous liquids |
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