B. Heidel, C. Knobler, R. Hilfer, R. Bruinsma
Physical Review Letters 60, 2492 (1988)
10.1103/PhysRevLett.60.2492
submitted on
Monday, January 11, 1988
Although many examples of pattern formation resulting from chemical reactions at liquid interfaces are known, few have been studied in detail. We report a quantitative study of patterns formed by the photoproduction of Fe++ and its subsequent reaction to form Turnbull’s Blue. The experiment leads to the postulation of a mechanism in which autocatalysis is enhanced by double diffusion. The phase diagram contains a line of phase transitions whose critical behavior is discussed.
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