Interpretation of the "Stokes radius" in terms of Hubbard-Onsager's dielectric friction theory

1986 ◽  
Vol 90 (23) ◽  
pp. 6362-6365 ◽  
Author(s):  
K. Ibuki ◽  
M. Nakahara
1983 ◽  
Vol 22 ◽  
Author(s):  
M. Nakahara ◽  
N. Takisawa ◽  
J. Osugi

ABSTRACTAs predicted by the Hubbard-Onsager continuum dielectric friction theory for ionic mobility in solution, the observed pressure coefficient of the difference ζ between the observed ionic drag coefficient and the Stokes law friction (4πηR), is negative for the small ion Li+ even at low temperatures where the water structure is highly developed. For the large ion Cs+, however, it is positive at any temperature in contrast to the theoretical prediction, its magnitude being larger at lower temperatures and pressures. The anomaly is shown also by the medium-sized ion K+ below room temperature. The passing-through-cavities (PTC) mechanism has been proposed to explain the limitations of the continuum theory.


1983 ◽  
Vol 56 (4) ◽  
pp. 1041-1044 ◽  
Author(s):  
Shi-aki Hyodo ◽  
Unpei Nagashima ◽  
Tsunetake Fujiyama

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