2-DIMENSIONAL ELECTRON-SCATTERING PROCESSES ON NA-DOSED CU(111) - A 2-PHOTON PHOTOEMISSION-STUDY

被引：27

作者：

WANG, XY

PAIELLA, R

OSGOOD, RM

机构：

[1] Columbia Radiation Laboratory, Columbia University, New York

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.51.17035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Angle-resolved two-photon photoemission was used to investigate scattering of image-state electrons on Cu(111) at very low coverages of adsorbed Na atoms. The observed adsorption-induced broadening and quenching of the image-state peak are attributed to weakened conservation of the parallel momentum as well as interband, inelastic electron scattering. A phenomenological adsorbate scattering cross section, which is proportional to the parallel momentum, is introduced to characterize the nonlifetime linewidth broadening. © 1995 The American Physical Society.

引用

页码：17035 / 17039

页数：5

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