Test of the Hubbard-Onsager dielectric friction theory of ion mobility in nonaqueous solvents. 3. Pressure effect

1987 ◽  
Vol 91 (16) ◽  
pp. 4414-4416 ◽  
Author(s):  
K. Ibuki ◽  
M. Nakahara
Keyword(s):  
Ion Mobility ◽  
Pressure Effect ◽  
Nonaqueous Solvents ◽  
Dielectric Friction ◽  
Friction Theory

Mechanism of Ion Transport in Cooled and Supercooled Water at High Pressure

1983 ◽  
Vol 22 ◽  
Author(s):  
M. Nakahara ◽  
N. Takisawa ◽  
J. Osugi
Keyword(s):  
Room Temperature ◽  
Pressure Coefficient ◽  
Water Structure ◽  
Continuum Theory ◽  
Supercooled Water ◽  
Ionic Mobility ◽  
Dielectric Friction ◽  
Friction Theory ◽  
The Difference ◽  
The Continuum

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.

scholarly journals On the Effect of the Finite Size of the Solvent Molecule in Dielectric Friction Theory

1983 ◽  
Vol 56 (4) ◽  
pp. 1041-1044 ◽  
Author(s):  
Shi-aki Hyodo ◽  
Unpei Nagashima ◽  
Tsunetake Fujiyama
Keyword(s):  
Solvent Molecule ◽  
Finite Size ◽  
Dielectric Friction ◽  
Friction Theory
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