FACTOR-ANALYSIS, A USEFUL TOOL FOR SOLVING ANALYTICAL PROBLEM IN AES AND XPS - A STUDY OF THE PERFORMANCES AND LIMITATIONS OF THE INDICATOR FUNCTION

被引：23

作者：

ARRANZ, A

PALACIO, C

机构：

[1] Departmento de Física Aplicada, Facultad de Ciencias C-Xii, Universidad Autónoma de Madrid, Cantoblanco, Madrid

来源：

SURFACE AND INTERFACE ANALYSIS | 1994年 / 22卷 / 1-12期

关键词：

D O I：

10.1002/sia.740220123

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Computer simulations have been used in order to investigate an objective procedure to determine the number of principal factors when factor analysis is used for solving analytical problems in AES and XPS. The indicator (IND) function has been used in the investigation. The simulated results show that the IND function could be used for detecting and solving sampling misalignment problems. Furthermore, the S/N ratio, the severe overlap of spectra and the relative importance of the various factors involved can limit the sensitivity of the IND function to determine the correct number of principal factors.

引用

页码：93 / 97

页数：5

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