Inner-shell ionization cross sections and aperture size in electron energy-loss spectroscopy

被引：5

作者：

Allen, LJ

Bell, DC

Josefsson, TW

Spargo, AEC

Dudarev, SL

机构：

[1] UNIV OXFORD, DEPT MAT, OXFORD OX1 3PH, ENGLAND

[2] MIT, CTR MAT SCI & ENGN, CAMBRIDGE, MA 02139 USA

来源：

PHYSICAL REVIEW B | 1997年 / 56卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.56.9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electron-energy-loss spectra have been recorded as a function of incident beam orientation for K-shell ionization of C in diamond. The results show a strong orientation dependence. We show that a common approximation that is often used in calculating the (total) cross section for energy-dispersive x-ray analysis cannot be made for electron-energy-loss spectroscopy when the acceptance angle of the detector is sufficiently small.

引用

页码：9 / 11

页数：3

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