ANGULAR-DISTRIBUTION OF PHOTOEMISSION FROM AMORPHOUS AND POLYCRYSTALLINE SOLIDS

被引：80

作者：

JABLONSKI, A ^{[1
]}

ZEMEK, J ^{[1
]}

机构：

[1] CZECHOSLOVAK ACAD SCI, INST PHYS, CS-16200 PRAGUE 6, CZECHOSLOVAKIA

来源：

PHYSICAL REVIEW B | 1993年 / 48卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.48.4799

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A convenient experimental method for determining the relative angular distribution of photoemission from solid materials has been proposed. Experiments were simultaneously simulated with the Monte Carlo model describing realistic photoelectron transport in solids. It has been proved that a major part of the observed discrepancy between the angular distribution of photoemission from atoms and from solids can be ascribed to elastic photoelectron scattering. The formalism of x-ray photoemission spectroscopy (XPS) can be easily extended to account for the observed effects by introducing the effective asymmetry parmeter beta(eff). This parameter well describes the decrease in anisotropy of photoemission, thus improving the reliability of the mathematical formalism of XPS, and consequently, the accuracy of quantitative analysis.

引用

页码：4799 / 4805

页数：7

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