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Published June 20, 2003 | public
Journal Article Open

Oscillatory Thermomechanical Instability of an Ultrathin Catalyst


Because of the small thermal capacity of ultrathin (∼200 nanometers) metal single crystals, it is possible to explore the coupling of catalytic and thermal action at low pressures. We analyzed a chemothermomechanical instability in this regime, in which catalytic reaction kinetics interact with heat transfer and mechanical buckling to create oscillations. These interacting components are separated and explored through experimentation, mathematical modeling, and scientific computation, and an explanation of the phenomenon emerges from their synthesis.

Additional Information

© 2003 American Association for the Advancement of Science. 26 February 2003; accepted 12 May 2003. Partially supported by NSF Division of Mathematical Sciences grant 98-03752 (J.E.C., P.H., and I.G.K.), by NSF grant CMS98-20823 (A.M.C.), and a Humboldt prize (I.G.K.).

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August 19, 2023
August 19, 2023