Sulfur K-edge absorption spectra of Na2SO4, Na2SO3, Na2S2O3, and Na2S2Ox (x=5-8).
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概要
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X-Ray absorption spectra of the sulfur K-edges of SO<SUB>4</SUB><SUP>2−</SUP>, SO<SUB>3</SUB><SUP>2−</SUP>, S<SUB>2</SUB>O<SUB>3</SUB><SUP>2−</SUP>, and S<SUB>2</SUB>O<I><SUB>x</SUB></I><SUP>2−</SUP> (<I>x</I>=5–8) were measured with synchrotron radiation. The spectra show similarly strong absorption bands which originate in bound-state transitions to antibonding 3p-type orbitals and in shape resonances related to 3d-type orbitals. The K-edge spectrum for the terminal sulfur atom in S<SUB>2</SUB>O<SUB>3</SUB><SUP>2−</SUP>, however, shows only a bound-state transition. Differences in chemical environments and bonding around the X-ray absorbing atoms are discussed to interpret the spectra.
- 公益社団法人 日本化学会の論文
著者
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Kosugi Nobuhiro
Department Of Chemistry University Of Tokyo
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SEKIYAMA Hideo
Department of Chemistry, Faculty of Science, The University of Tokyo
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Kuroda Haruo
Department Of Chemistry Faculty Of Science The University Of Tokyo
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Sekiyama Hideo
Department Of Chemistry Faculty Of Science The University Of Tokyo
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Ohta Toshiaki
Photon Factory National Laboratory For High Energy Physics
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Kuroda Haruo
Department of Chemistry and Research Center for Spectrochemistry, Faculty of Science, The University of Tokyo
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