期刊
CONDENSED MATTER PHYSICS
卷 22, 期 2, 页码 -出版社
INST CONDENSED MATTER PHYSICS NATL ACAD SCIENCES UKRAINE
DOI: 10.5488/CMP.22.23801
关键词
concentrated electrolytes; restricted primitive model; screening length; linear modified Poisson-Boltzmann theory
Three analytic results are proposed for a linear form of the modified Poisson-Boltzmann equation in the theory of bulk electrolytes. Comparison is also made with the mean spherical approximation results. The linear theories predict a transition of the mean electrostatic potential from a Debye-Huckel type damped exponential to a damped oscillatory behaviour as the electrolyte concentration increases beyond a critical value. The screening length decreases with increasing concentration when the mean electrostatic potential is damped oscillatory. A comparison is made with one set of recent experimental screening results for aqueous NaCl electrolytes.
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