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Spatiotemporal Self-Organization in a Surface Reaction: From the Atomic to the Mesoscopic Scale
C. Sachs,M. Hildebrand,S. Völkening,J. Wintterlin,*G. Ertl
Scanning tunneling microscopy data revealed the atomic
processes in propagating reaction fronts that occur in the catalyticoxidation of hydrogen on Pt(111). The fronts were also characterizedon
mesoscopic length scales with respect to their velocity andwidth.
Simulations on the basis of a reaction-diffusion modelreproduce the
experimental findings qualitatively well. The quantitativecomparison
reveals the limitations of this traditional approachto modeling
spatiotemporal pattern formation in nonlinear dynamics.
Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-14195 Berlin,
Germany.
*
To whom correspondence should be addressed. E-mail:
wintterlin{at}fhi-berlin.mpg.de
Fluctuations and Bistabilities on Catalyst Nanoparticles.
V. Johanek, M. Laurin, A. W. Grant, B. Kasemo, C. R. Henry, and J. Libuda (2004)
Science
304, 1639-1644
|Abstract »|Full Text »|PDF »
Phase I Trial of an Infrared Pulsed Laser Device in Patients with Advanced Neoplasias.
L. A. Santana-Blank, E. Rodriguez-Santana, F. Vargas, H. Reyes, P. Fernandez-Andrade, S. Rukos, and K. E. Santana-Rodriguez (2002)
Clin. Cancer Res.
8, 3082-3091
|Abstract »|Full Text »|PDF »
Probing High-Barrier Pathways of Surface Reactions by Scanning Tunneling Microscopy.
M. Durr, A. Biedermann, Z. Hu, U. Hofer, and T. F. Heinz (2002)
Science
296, 1838-1841
|Abstract »|Full Text »|PDF »
