KL EDGES IN X-RAY-ABSORPTION SPECTRA OF 3RD-PERIOD ATOMS - SI, P, S, AND CL

被引：44

作者：

FILIPPONI, A

TYSON, TA

HODGSON, KO

MOBILIO, S

机构：

[1] STANFORD UNIV, DEPT CHEM, STANFORD, CA 94305 USA

[2] UNIV AQUILA, DIPARTIMENTO ENERGET, I-67100 LAQUILA, ITALY

[3] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY

来源：

PHYSICAL REVIEW A | 1993年 / 48卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.48.1328

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A systematic investigation of double-electron KL-edge resonances in x-ray-absorption spectra of third-period atoms (Si, P, S, and Cl) is presented. Experimental data on NaH2PO4, Graham's salts (Na2O:P2O5), Na4P2O7, elemental S, Na2SO3, K2SO4, CuSO4, Na2S2O3, Na2S2O6, NaClO2, NaClO3, and NH4ClO4 are reported and discussed in combination with previous measurements at the Si KL edge of SiX4, (X = H, CH3, Br, Cl, F) molecules. The further comparison of these results with KL-edge structures in Ne and Ar provides an almost complete overview of these excitations for third-period atoms. A compilation of energies and oscillator strengths for the dominant resonances is reported and the main trends of energy splitting, intensity, and energy position versus oxidation state and Z number are discussed.

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页码：1328 / 1338

页数：11

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