Issue 15, 2005
From the journal:

Physical Chemistry Chemical Physics

On one dimensional chemical diode and frequency generator constructed with an excitable surface reaction

J. Gorecka*a  and  J. Goreckibcd  

* Corresponding authors

a Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 36/42, Warsaw, Poland
E-mail: gorec@ifpan.edu.pl.

b Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, Poland

c Faculty of Mathematics and Natural Sciences, Cardinal Stefan Wyszynski University, Dewajtis 5, Warsaw, Poland

d ICM UW, Pawinskiego 5A, Warsaw, Poland

Abstract

The oxidation of carbon monoxide on a Pt(110) surface is considered as a medium for chemical information processing in which bits of information are represented by traveling pulses of high oxygen coverage. Using numerical simulations for a model of CO oxidation we demonstrate that in such system one dimensional chemical signal diode can be realized by setting a proper profile of temperature. We also show that a pulse splitting can occur on a temperature inhomogeneity. The phenomenon of pulse splitting can be used to construct one dimensional generator of a train of pulses with adjustable frequency.

Graphical abstract: On one dimensional chemical diode and frequency generator constructed with an excitable surface reaction

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Article information

DOI
https://doi.org/10.1039/B504621A
Article type
Paper
Submitted
01 Apr 2005
Accepted
03 Jun 2005
First published
06 Jul 2005

Phys. Chem. Chem. Phys., 2005,7, 2915-2920

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On one dimensional chemical diode and frequency generator constructed with an excitable surface reaction

J. Gorecka and J. Gorecki, Phys. Chem. Chem. Phys., 2005, 7, 2915 DOI: 10.1039/B504621A

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