Interference between bulk and surface photoemission transitions in Ag(111)

被引：86

作者：

Miller, T ^{[1
]}

McMahon, WE ^{[1
]}

Chiang, TC ^{[1
]}

机构：

[1] UNIV ILLINOIS,SEITZ MAT RES LAB,URBANA,IL 61801

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.77.1167

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The direct-transition photoemission peak from the sp valence band of Ag(lll) shows a pronounced asymmetry. The emission intensity on the lower binding energy side of this peak is considerably higher, and extends to a cutoff at the band edge just below the Fermi level. This extra emission is derived from indirect transitions induced by the surface. A linear combination of the direct (bulk) and indirect (surface) channels results in the asymmetric line shape.

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页码：1167 / 1170

页数：4

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