ORIENTATIONAL EPITAXY OF THE HEXAGONALLY RECONSTRUCTED PT(001) SURFACE

被引：38

作者：

GIBBS, D

GRUBEL, G

ZEHNER, DM

ABERNATHY, DL

MOCHRIE, SGJ

机构：

[1] MIT,DEPT PHYS,CAMBRIDGE,MA 02139

[2] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37831

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.67.3117

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：3117 / 3120

页数：4

共 24 条

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