Monte Carlo study of the capacitance of the double layer in a model molten salt

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Permanent URL	http://hdl.lib.byu.edu/1877/1328
Title	Monte Carlo study of the capacitance of the double layer in a model molten salt
BYU Creator	Henderson, Douglas Boda, Dezso
Creator	Chan, Kwong-Yu
Keywords	Monte Carlon simulation; capitance; double layer; molten salt; charged hard spheres
Description/Abstract	Monte Carlo simulations are reported for charged hard spheres at high density near a charged wall. This system is a simple model for a molten salt double layer. Unfortunately, the reduced temperatures that correspond to experiment are very small. This results in a large Boltzmann factor. As a result, we are unable to obtain meaningful results for such low values and report results only for moderately low values of the reduced temperature. Even so, our results should be a useful benchmark. Further, we are able to give a qualitative answer to an interesting question. We find that at low temperatures the capacitance near the point of zero charge increases with increasing temperature. This agrees with experiment for molten salts and disagrees with the behavior of double layer in dissolved salts, which can be modeled with low density and high temperature charged hard spheres near a wall. This also disagrees with the predictions of the Gouy-Chapman theory and the mean spherical approximation. It appears that it is the approximations, and not the charged hard sphere double layer model, that are at fault for describing double layers in molten salts
Source	Boda, Dezso, Douglas Henderson, and Kwong Y. Chan."Monte Carlo study of the capacitance of the double layer in a model molten salt." The Journal of Chemical Physics 110 (1999): 5346-5350.;
Publisher	AIP
Date Original	1999-03-15
Language	English eng en
Publication Type	Articles
Type	Text
Format	application/pdf
Owning Institution	Brigham Young University
BYU College	College of Physical and Mathematical Sciences
BYU Department	Chemistry and Biochemistry
Copyright Status	(c) 1999 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in The Journal of Chemical Physics and may be found at http://link.aip.org/link/?JCPSA6/110/5346/1;
Copyright Use Information	http://www.lib.byu.edu/generic_copyright.html

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Monte Carlo study of the capacitance of the double layer in a model molten salt

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