Observation of lateral superlattice effects on stepped Cu(001)

被引:40
作者
Wang, XY [1 ]
Shen, XJ [1 ]
Osgood, RM [1 ]
Haight, R [1 ]
Himpsel, FJ [1 ]
机构
[1] IBM CORP, DIV RES, TJ WATSON RES CTR, YORKTOWN HTS, NY 10598 USA
关键词
D O I
10.1103/PhysRevB.53.15738
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Lateral superlattice effects are observed for image-state electrons on a stepped Cu(001) surface via angle-resolved two-photon photoemission. Adsorption of Na atoms (similar to 0.01 ML) on the stepped surface enhances the step regularity, yielding clear zone folding with a reduced Brillouin zone given by the reciprocal step lattice.
引用
收藏
页码:15738 / 15742
页数:5
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