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

页码：13859 / 13862

页数：4

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