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松村 大樹; 岡崎 宏之*; 出崎 亮*; 石井 賢司*; 八巻 徹也*
no journal, ,
X-ray absorption fine structure (XAFS) is a unique technique for the study of functional materials including metal nanoparticle catalysts. In situ observation by XAFS technique has been widely applied due to the long attenuation length of hard X-ray. However, the observation of XAFS spectra for light element is not easy because the X-ray absorption energy of light element is located at the soft X-ray region whose attenuation length is the order of nm size. X-ray Raman spectroscopy includes the information of XAFS spectra at soft X-ray region, though hard X-ray is employed for both probe and detection. We have applied X-ray Raman spectroscopy technique for the study of ion beam irradiation effect for glassy carbons. The ion beam irradiation enhances the electrocatalytic activity for Pt/C catalysts. We have demonstrated the availability of X-ray Raman spectra for the study of correlation between catalysis and structure for the irradiated carbon materials.