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Dynamics of adatom motion under the influence of mutual interactions: O/Ru(0001)

MPS-Authors
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Renisch,  Steffen
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Schuster,  Rolf
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Wintterlin,  Joost
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Ertl,  Gerhard
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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pc_PRL82_3839.pdf
(Any fulltext), 731KB

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Citation

Renisch, S., Schuster, R., Wintterlin, J., & Ertl, G. (1999). Dynamics of adatom motion under the influence of mutual interactions: O/Ru(0001). Physical Review Letters, 82(19), 3839-3842. doi:10.1103/PhysRevLett.82.3839.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-1CE6-F
Abstract
The diffusive motion of O atoms adsorbed on Ru(0001) was observed on the atomic scale by scanning tunneling microscopy with temporal resolution of Z˙10 ms at room temperature. From statistical analysis of the changes of the atom configurations in sequences of more than 1000 images, mean residence times of oxygen atoms in the neighborhood of other oxygen atoms were extracted. The residence times vary by more than 1 order of magnitude over distances of three lattice constants, indicating the necessity of including the lateral interaction in modeling collective phenomena such as surface diffusion or reactions. [S0031-9007(99)09081-X]