Related Experiment Video
Updated: Jun 24, 2026

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
Published on: March 29, 2016
Spatiotemporal self-organization in a surface reaction: from the atomic to the mesoscopic scale
C Sachs1, M Hildebrand, S Volkening
1Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-14195 Berlin, Germany.
Abstract:
Scanning tunneling microscopy data revealed the atomic processes in propagating reaction fronts that occur in the catalytic oxidation of hydrogen on Pt(111). The fronts were also characterized on mesoscopic length scales with respect to their velocity and width. Simulations on the basis of a reaction-diffusion model reproduce the experimental findings qualitatively well. The quantitative comparison reveals the limitations of this traditional approach to modeling spatiotemporal pattern formation in nonlinear dynamics.
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