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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