Influence of chemical bonding on X-ray spectra of different aluminium compounds

被引：3

作者：

Bonetto, R

Trincavelli, J

Vasconcellos, M

机构：

[1] Univ Nacl Cordoba, Fac Matemat Astron & Fis, RA-5000 Cordoba, Argentina

[2] Ctr Invest & Desarrollo Ciencias Aplicadas Dr Jor, RA-1900 La Plata, Argentina

[3] Consejo Nacl Invest Cient & Tecn, Buenos Aires, DF, Argentina

[4] Univ Fed Rio Grande Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 2005年 / 60卷 / 11期

关键词：

chemical bonding; X-ray spectrum; aluminium; molecular orbitals;

D O I：

10.1016/j.sab.2005.09.005

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Five minerals containing aluminium in different crystal configurations are studied. The different kinds of chemical bonding between aluminium and oxygen originate molecular orbitals with energy levels and transition probabilities varying from one compound to another. This effect appears as shifts and changes in relative intensities of K alpha emission lines and as modifications of the K beta characteristic spectrum. In the present work, the aluminium K characteristic spectra obtained by means of an electron microprobe with a wavelength dispersive system are compared for topaz, albite, spodumene, biotite and corundum. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：1468 / 1471

页数：4

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