ONE-DIMENSIONAL IMAGE STATE ON STEPPED CU(100)

被引:62
作者
ORTEGA, JE [1 ]
HIMPSEL, FJ [1 ]
HAIGHT, R [1 ]
PEALE, DR [1 ]
机构
[1] IBM CORP, THOMAS J WATSON RES CTR, DIV RES, YORKTOWN HTS, NY 10598 USA
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 19期
关键词
D O I
10.1103/PhysRevB.49.13859
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A one-dimensional step-induced image state is found at vicinal Cu(100) surfaces with inverse photoemission and two-photon photoemission. Its energy nearly coincides with the bottom of the two-dimensional image-state band of the flat surface. The one-dimensional nature of the step state manifests itself in a lack of dispersion perpendicular to the steps. Parallel to the steps it exhibits free-electron-like dispersion, making this type of state an ideal model for one-dimensional electron physics.
引用
收藏
页码:13859 / 13862
页数:4
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