Theory of circular dichroism in angle- and spin-resolved photoemission from the surface state on Bi(111)

被引：0

作者：

Krasovskii, E. E. ^{[1
,2
,3
]}

机构：

[1] Univ Pais Vasco UPV EHU, Dept Polimeros Mat Avanzados Fis Quim & Tecnol, San Sebastian 20080, Spain

[2] Donostia Int Phys Ctr DIPC, Donostia San Sebastian 20018, Spain

[3] IKERBASQUE, Basque Fdn Sci, 48013 Bilbao, Spain

来源：

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2024年 / 277卷

关键词：

Dichroism; Bismuth; Electron scattering;

D O I：

10.1016/j.elspec.2024.147501

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Circular dichroism (CD) of photoemission from a surface state on Bi(111) is considered within an ab initio onestep theory of photoemission. The symmetry of the azimuthal distribution of CD for different spin directions is discussed in terms of the spin structure of the initial states. Both normal and off-normal light incidence are considered. Strong photon energy dependence of photoemission in the ultraviolet range is observed. The principal difference between the initial state spin polarization and the spin photocurrent is emphasized and problems with revealing the orbital angular moment with photoemission are pointed to.

引用

页数：7

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