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Diffusion to fractal surfaces

✍ Scribed by L. Nyikos; T. Pajkossy


Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
276 KB
Volume
31
Category
Article
ISSN
0013-4686

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✦ Synopsis


Diffusion (Warburg) impedance is generalized for irregular electrode surfaces characterized by their fractal dimension Df. The frequency exponent of the impedance is shown to be (Df-1)/2, a result verified by computer simulation.


📜 SIMILAR VOLUMES


Diffusion to fractal surfaces—V. quasi-r
✍ A.P. Borosy; L. Nyikos; T. Pajkossy 📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 295 KB

The validity of a particular fractal modification of the Cottrell equation is verified by computer simulation for quasi-random boundaries.

Diffusion to fractal surfaces—II. Verifi
✍ Tamás Pajkossy; Lajos Nyikos 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 866 KB

Decay of the diffusion controlled current of particles diffusing from an initially homogeneous medium to a completely absorbing fractal boundary was previously shown to exhibit z-time-dependence instead of the conventional t -1/2 one with the exponent a being determined by the fractal dimension, D r

Diffusion to fractal surfaces—III. Linea
✍ Tamás Pajkossy; Lajos Nyikos 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 533 KB

The expressions describing the shape of voltammograms of reversible redox couples are generalized for a fractal boundary. It is shown that they are analogous to the conventional ones except for the need to use a Riemann-Liouville transformation of order q = --Q instead of q = -l/2 to bring the fract

Fractal surfaces
✍ Peter R Massopust 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 708 KB
Porosimetry of Fractal Surfaces
✍ W.I. Friesen; W.G. Laidlaw 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 487 KB