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                            Corresponding authors
                                                                                                            
                    
                    
                        
                                a
                        
                        
                            Division of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
                                
                                E-mail:
                                    dongshuangwu@kuchem.kyoto-u.ac.jp,                                     kusada@kuchem.kyoto-u.ac.jp,                                     kitagawa@kuchem.kyoto-u.ac.jp                                                                                                            
                    
                    
                        
                                b
                        
                        
                            Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
                                                                                                            
                    
                    
                        
                                c
                        
                        
                            The Ultramicroscopy Research Center, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan
                                                                                                            
                    
                    
                        
                                d
                        
                        
                            Synchrotron X-ray Group, Synchrotron X-ray Station at SPring-8, National Institute for Materials Science, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
                                                                                                            
                    
                    
                        
                                e
                        
                        
                            Center for Synchrotron Radiation Research, Japan Synchrotron Radiation Research Institute, Japan
                                                                                                            
                    
                    
                        
                                f
                        
                        
                            Research & Utilization Division, Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
                                                                                                            
                    
                    
                        
                                g
                        
                        
                            Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan