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ZB 10 - Soft Condensed Matter (R. Holyst)
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!
We are different, but we all do great Science; and we have a lot of fun doing it!

Publication

Ions in an AC Electric Field: Strong Long-Range Repulsion between Oppositely Charged Surfaces

Author(s): Richter, Lukasz and Zuk, Pawel J. and Szymczak, Piotr and Paczesny, Jan Bak, Krzysztof M. and Szymborski, Tomasz and Garstecki, Piotr and Stone, Howard A. and Holyst, Robert and Drummond, Carlos
Title: Ions in an AC Electric Field: Strong Long-Range Repulsion between Oppositely Charged Surfaces
Abstract: Two oppositely charged surfaces separated by a dielectric medium attract other. In contrast we observe a strong repulsion between two plates a capacitor that is filled with an aqueous electrolyte upon of an alternating potential difference between the plates. long-range force increases with the ratio of diffusion coefficients the ions in the medium and reaches a steady state after a few which is much larger than the millisecond timescale of across the narrow gap. The repulsive force, an order of stronger than the electrostatic attraction observed in the setup in air, results from the increase in osmotic pressure as a of the field-induced excess of cations and anions due to lateral transport from adjacent reservoirs.
Journal: PHYSICAL REVIEW LETTERS
Publisher: AMER PHYSICAL SOC
Addres: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
Volume: 125
ID: ISI:000552901800016
Year: 2020
DOI: 10.1103/PhysRevLett.125.056001

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