Orientational epitaxy of the hexagonally reconstructed Pt(001) surface

Doon Gibbs; G. Gr̈bel; D. M. Zehner; D. L. Abernathy; S. G.J. Mochrie

doi:10.1103/PhysRevLett.67.3117

Orientational epitaxy of the hexagonally reconstructed Pt(001) surface

Doon Gibbs, G. Gr̈bel, D. M. Zehner, D. L. Abernathy, S. G.J. Mochrie

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Abstract

We describe x-ray-scattering studies of the orientational epitaxy displayed by the hexagonally reconstructed Pt(001) surface. At 1685 K, the reconstructed surface layer undergoes a continuous rotational transformation with respect to the underlying bulk and exhibits mean-field behavior. A second, discontinuous rotational transformation is observed at 1580 K. These results are inconsistent with the predictions of current theories and lead us to propose a mean-field description of rotational transformations.

Original language	English
Pages (from-to)	3117-3120
Number of pages	4
Journal	Physical Review Letters
Volume	67
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.67.3117
State	Published - 1991
Externally published	Yes

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10.1103/PhysRevLett.67.3117

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abstract = "We describe x-ray-scattering studies of the orientational epitaxy displayed by the hexagonally reconstructed Pt(001) surface. At 1685 K, the reconstructed surface layer undergoes a continuous rotational transformation with respect to the underlying bulk and exhibits mean-field behavior. A second, discontinuous rotational transformation is observed at 1580 K. These results are inconsistent with the predictions of current theories and lead us to propose a mean-field description of rotational transformations.",

author = "Doon Gibbs and G. G{\"r}bel and Zehner, {D. M.} and Abernathy, {D. L.} and Mochrie, {S. G.J.}",

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AU - Zehner, D. M.

AU - Abernathy, D. L.

AU - Mochrie, S. G.J.

PY - 1991

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N2 - We describe x-ray-scattering studies of the orientational epitaxy displayed by the hexagonally reconstructed Pt(001) surface. At 1685 K, the reconstructed surface layer undergoes a continuous rotational transformation with respect to the underlying bulk and exhibits mean-field behavior. A second, discontinuous rotational transformation is observed at 1580 K. These results are inconsistent with the predictions of current theories and lead us to propose a mean-field description of rotational transformations.

AB - We describe x-ray-scattering studies of the orientational epitaxy displayed by the hexagonally reconstructed Pt(001) surface. At 1685 K, the reconstructed surface layer undergoes a continuous rotational transformation with respect to the underlying bulk and exhibits mean-field behavior. A second, discontinuous rotational transformation is observed at 1580 K. These results are inconsistent with the predictions of current theories and lead us to propose a mean-field description of rotational transformations.

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Orientational epitaxy of the hexagonally reconstructed Pt(001) surface

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