MULTIPLE-SCATTERING DETERMINATION TO THE LOCAL ADSORPTION GEOMETRY OF SO2/Pd(111)

金属学报(英文版), 2002, 15(1): 81-86.

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1.Department of Physics and State Key laboratory for Silicon Material, Zhejiang University, Hangzhou 310027, China

2.Department of Physics and State Key laboratory for Silicon Material, Zhejiang University, Hangzhou 310027, China

3.Department of Physics and State Key laboratory for Silicon Material, Zhejiang University, Hangzhou 310027, China

4.Department of Physics and State Key laboratory for Silicon Material, Zhejiang University, Hangzhou 310027, China

5.Department of Physics and State Key laboratory for Silicon Material, Zhejiang University, Hangzhou 310027, China

基金项目: 国家自然科学基金

MULTIPLE-SCATTERING DETERMINATION TO THE LOCAL ADSORPTION GEOMETRY OF SO2/Pd(111)

Keywords： multiple-scattering cltster. near edge X-ray absorption fine structure

We have calculated the sulphur 1s near edge X-roy absorption fine structure (NEX-AFS) spectra of SO2 adsorbed on Pd( 111 ) in terms of the multiple-scattering Cluster(MSC) method. The origin of the resonances in the NEXAFS spectra has been re-xealed. By the MSC calculation and a (DV)-Xα study we have for the first time iden-tiffed two weak features existing in S K-edge NEXAFS of SO2/Pd(111) system, whichare attributed to the interaction between the adsorbate and the substrate. Moreover,MSC calculation together with the reliability factor (R-.factor) analysis are employedto determine the local adsorption structures. These results are broadly in agreementwith those of Fourier-transform analysis of the surface extended X-ray absorption finestructure (SEXAFS).

参考文献

[1]	A Guitiérrez Sosa;J F Walsh;C A Muryn;P Finetti,G Thornton .[J].Surface Science Letters,1996,364:L519.
[2]	P Zhu;J C Tang;J P He .[J].Chemical Physics and Physical Chemistry,2000,2:1123.
[3]	G J Jackson;J Liidecke;S M Driver;D P Woodruff R G Jones A Chan .[J].Surface Science Spectra,1997,389:223.
[4]	S Cao;J C Tang;P Zhu;L Wang .[J].Journal of Physics:Condensed Matter,2001(13):5865.
[5]	S. Terada;T. Yokoyama;M. Sakano;M. Kiguchi;Y. Kitajima;T. Ohta .Asymmetric surface structure of SO_2 on Pd(111) studied by total-reflection X-ray absorption fine structure spectroscopy[J].Chemical Physics Letters,1999(5/6):645-650.
[6]	J Stohr.NEXAFS Spectroscopy[M].Springer,Berlin,1992
[7]	J C Tang;X S Feng;J F Shen;T Fujikawa,T Okazawa .[J].Physical Review B,1991,44:13018.
[8]	J C Tang;S B Fu;H Ji;Y B Chen .[J].中国科学A辑(英文版),1992(35):965.
[9]	L Wang;F Zhuang;J C Tang .[J].Surface Science Spectra,1999,436:91.
[10]	P Zhu;J C Tang;J P He .[J].Journal of Physical Chemistry B,2000(104):10597.
[11]	J B Pendry .[J].Journal of Physics C:Solid State Physics,1980(13):937.
[12]	B Song;H Nakamatsu;R Sekine;T Mukoyama,K Taniguchi .[J].Journal of Physics:Condensed Matter,1998(10):9113.

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MULTIPLE-SCATTERING DETERMINATION TO THE LOCAL ADSORPTION GEOMETRY OF SO2/Pd(111)

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