DOI: 10.1063/1.454857. Dynamic dipole polarizability of a dielectric sphere in an electrolyte

Dynamic dipole polarizability of a dielectric sphere in an electrolyte

10.1063/1.454857

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The response of a suspension of spherical particles to a periodic electric field is given by the real and imaginary part of the effective dielectric number εeff(ω). In order to describe its dispersion within an enhanced dipole residual interaction model, the polarizability α(ω) of a single sphere has to be found first. This calculation is facilitated by the smallness of the ratio of the Debye length δ to the radius a of the sphere. In a thin double layer approximation, an improved expansion in δ/a is found for α(ω) in the long wavelength limit k→0. In contrast to Schwarz (Ref. 1) who assumed tangential diffusion effects around the spheres, the volume diffusion is the dominant feature here. A comparison with a simple relaxation time ansatz is given in order to show the significance of diffusion.

Bibliography

Vogel, E., & Pauly, H. (1988). Dynamic dipole polarizability of a dielectric sphere in an electrolyte. The Journal of Chemical Physics, 89(6), 3823â3829.

Authors 2

E. Vogel (first)
H. Pauly (additional)

References 12 Referenced 16

10.1021/j100818a067 / J. Phys. Chem. (1962)
10.1021/j150383a011 / J. Phys. Chem. (1937)
10.1016/B978-1-4832-3111-2.50008-0 / Adv. Biol. Med. Phys. (1957)
10.1016/S0006-3495(73)85966-1 / Biophys. J. (1973)
10.1021/j100818a066 / J. Phys. Chem. (1962)
10.1021/j100309a020 / J. Phys. Chem. (1987)
10.1063/1.444060 / J. Chem. Phys. (1982)
10.1063/1.444369 / J. Chem. Phys. (1982)
{'key': '2024021006425544800_r9'}
10.1063/1.454858 / J. Chem. Phys. (1988)
10.1063/1.447239 / J. Chem. Phys. (1984)
10.1016/S0022-0728(83)80005-9 / J. Electroanal. Chem. (1983)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:12 a.m.)
Deposited	1 year, 6 months ago (Feb. 10, 2024, 3:34 a.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 4:10 a.m.)
Issued	36 years, 11 months ago (Sept. 15, 1988)
Published	36 years, 11 months ago (Sept. 15, 1988)
Published Print	36 years, 11 months ago (Sept. 15, 1988)

Funders 0

None

BibTeX

@article{Vogel_1988, title={Dynamic dipole polarizability of a dielectric sphere in an electrolyte}, volume={89}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.454857}, DOI={10.1063/1.454857}, number={6}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Vogel, E. and Pauly, H.}, year={1988}, month=sep, pages={3823–3829} }

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