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Novel mechanism for the formation of chemisorption phases: The (2×1)O-Cu(110) ‘‘added row’’ reconstruction

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Coulman,  Donald J.
Department of Chemical Engineering, Stanford University;
Fritz Haber Institute, Max Planck Society;

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

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Behm,  R. J.
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Institut für Kristallographie und Mineralogie, Universitat München;

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

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PhysRevLett.64.1761.pdf
(Publisher version), 480KB

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Citation

Coulman, D. J., Wintterlin, J., Behm, R. J., & Ertl, G. (1990). Novel mechanism for the formation of chemisorption phases: The (2×1)O-Cu(110) ‘‘added row’’ reconstruction. Physical Review Letters, 64(15), 1761. doi:10.1103/PhysRevLett.64.1761.


Cite as: https://hdl.handle.net/21.11116/0000-0007-665B-1
Abstract
Scanning tunneling microscopy investigations on nucleation and growth of the (2×1)O-Cu(110) structure revealed that the new phase is formed by condensation of mobile chemisorbed O atoms with Cu adatoms evaporating from steps and diffusing across the terraces of the substrate surface. This process can be regarded as two-dimensional precipitation from a dilute mixed fluid into a solid phase rather than a solid-solid transformation. The resulting structure is more appropriately described to be of ‘‘added-row’’ rather than of ‘‘missing-row’’ type.