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The discreteness-of-charge effect at charged aqueous interfaces: III. Smoothly varying dielectric constant in inner region at mercury interface by K. Robinson; S. Levine is a Chemistry article available to read on EtoBox.

What is The discreteness-of-charge effect at charged aqueous interfaces: III. Smoothly varying dielectric constant in inner region at mercury interface about?

The inner or compact region at the charged mercury/aqueous electrolyte interface is usually regarded as havinga dielectric constant which is considerably smaller than the value for bulk water and which increases with distance from the mercury boundary. In the previous papers of this series 1"2, henceforth referred to as I and II, this dielectric constant was assumed to change abruptly at the two planes which characterize the inner region. These are the inner Helmholtz plane (i.h.p.) on which the centres of specifically adsorbed counter-ions are situated and the outer Helmholtz plane (o.h.p.) which defines the position of nearest approach to the mercury surface of non-adsorbed diffuse layer ions and also constitutes one boundary of the inner region. Wroblowa and Mfiller 3 have questioned the validity of such a dielectric model of the inner region on the grounds that no sharp discontinuity in dielectric constant can exist at the o.h.p. In a series of important papers Buff et al. 4-7 have examined the effect of a smoothly varying dielectric constant (where both the dielectric constant and its rate of change with distance are continuous functions) on the image potential of a point char

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Author
K. Robinson; S. Levine
Publisher
Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-0728)
Published
1973
Language
EN
Field
Chemistry (Physical Sciences)

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