harada's lab

papers

2014年度

2013年度

5. Takashi Tokushima, Yuka Horikawa, Osamu Takahashi, Hidemi Arai, Koichiro Sadakane, Yoshihisa Harada, Yasutaka Takata and Shik Shin, Phys. Chem. Chem. Phys.,(2014), DOI: 10.1039/c4cp00762j.
"Solvation dependence of valence electronic states of water diluted in organic solvents probed by soft X-ray spectroscopy"

4.M. Kobayashi, H. Niwa, Y. Takeda, A. Fujimori, Y. Senba, H. Ohashi, A. Tanaka, S. Ohya, P. N. Hai, M. Tanaka, Y. Harada, M. Oshima, Phys. Rev. Lett. 112,107203 (2014).
"Electronic Excitations of Magnetic Impurity State in Diluted Magnetic Semiconductor (Ga,Mn)As"

3.K. Kamiya, H. Koshikawa, H. Kiuchi, Y. Harada, M. Oshima, K. Hashimoto, S. Nakanishi, ChemElectroChem, DOI: 10.1002/celc.201300181.
"Iron–Nitrogen Coordination in Modified Graphene Catalyzes a Four-Electron-Transfer Oxygen Reduction Reaction"

2.H. Niwa, H. Kiuchi, J. Miyawaki, Y. Harada, M. Oshima, Y. Nabae and T. Aoki, Electrochemistry communications 35, 57 (2013).
"Operando Soft X-ray Emission Spectroscopy of Iron Phthalocyanine-based Catalysts for Oxygen Reduction Reaction"

1.Y. Harada, T. Tokushima, Y. Horikawa, O. Takahashi, H. Niwa, M. Kobayashi, M. Oshima, Y. Senba, H. Ohashi, K. T. Wikfeldt, A. Nilsson, L. G. M. Pettersson, S. Shin, Phys. Rev. Lett. 111, 193001 (2013).
"Selective Probing of the OH or OD Stretch Vibration in Liquid Water Using Resonant Inelastic Soft-X-Ray Scattering"

2012年度

5.S. Kawasaki, K. Akagi, K. Nakatsuji, S. Yamamoto, I. Matsuda, Y. Harada, J. Yoshinobu, F. Komori, R. Takahashi, M. Lippmaa, C. Sakai, H. Niwa, M. Oshima, K. Iwashina, A. Kudo, J. Phys. Chem. C 116, 24445 (2012).
"Elucidation of Rh-induced in-gap states of Rh:SrTiO3 visible-light-driven photocatalyst by soft x-ray spectroscopy and first-principles calculations"

4.Hideharu Niwa, Makoto Saito, Masaki Kobayashi, Yoshihisa Harada, Masaharu Oshima, Shogo Moriya, Katsuyuki Matsubayashi, Yuta Nabae, Shigeki Kuroki, Takashi Ikeda, Kiyoyuki Terakura, Jun-ichi Ozaki, Seizo Miyata, J. Power Sources 223, 30 (2013).
"Probing carbon edge exposure of iron phthalocyanine-based oxygen reduction catalysts by soft X-ray absorption spectroscopy"

3. Hisao Kiuchi, Hideharu Niwa, Masaki Kobayashi, Yoshihisa Harada, Masaharu Oshima, Masayuki Chokai, Yuta Nabae, Shigeki Kuroki, Masa-aki Kakimoto, Takashi Ikeda, Kiyoyuki Terakura and Seizo Miyta, Electrochim. Acta 82, 291 (2012).
"Study on the oxygen adsorption property of nitrogen-containing metal-free carbon-based cathode catalysts for oxygen reduction reaction"

2. Shoichi HIDAI, Masaki KOBAYASHI, Hideharu NIWA, Yoshihisa HARADA, Masaharu OSHIMA, Yoji NAKAMORI, Tsutomu AOKI, J. Power Sources 215, 233 (2012).
"Platinum Oxidation Responsible for Degradation of Platinum-Cobalt Alloy Cathode Catalysts for Polymer Electrolyte Fuel Cells"

1. Masaki Kobayashi,* Hideharu Niwa, Makoto Saito, Yoshihisa Harada, Masaharu Oshima, Hironori Ofuchi, Kiyoyuki Terakura, Takashi Ikeda, Yuka Koshigoe, Jun-ichi Ozaki, and Seizo Miyata, Electrochim. Acta 74, 254 (2012).
"Indirect contribution of transition metal towards oxygen reduction reaction activity in iron phthalocyanine-based carbon catalysts for polymer electrolyte fuel cells"

2011年度

7. Y. Harada, M. Kobayashi, H. Niwa, Y. Senba, H. Ohashi, T. Tokushima, Y. Horikawa, S. Shin, and M. Oshima, Rev. Sci. Instrum. 83, 013116 (2012).
"Ultrahigh resolution soft x-ray emission spectrometer at BL07LSU in SPring-8"

6. T. Tokushima, Y. Horikawa, H. Arai, Y. Harada, O. Takahashi, L. Pettersson, A. Nilsson, S. Shin, J. Chem. Phys. 136, 044517 (2012).
"Polarization dependent resonant x-ray emission spectroscopy of D₂O and H₂O water; assignment of the local mo-lecular orbital symmetry"

5. H. Arai, Y. Horikawa, K. Sadakane, T. Tokushima, Y. Harada, Y. Senba, H. Ohashi, Y. Takata, S. Shin, Phys. Chem. Chem. Phys. 14, 1576 (2012).
"Hydrogen bonding of water in 3-methylpyridine studied by O 1s X-ray emission and absorption spectroscopy"

4. M. Kobayashi, H. Niwa, Y. Harada, K. Horiba, M. Oshima, H. Ofuchi, K. Terakura, T. Ikeda, Y. Koshigoe, J. Ozaki, S. Miyata, S. Ueda, Y. Yamashita, H. Yoshikawa, K. Kobayashi, J. Power Sources 196, 8346
(2011).
"Role of residual transition metal atoms in oxygen reduction reaction in cobalt phthalocyanine-based carbon cathode catalysts for polymer electrolyte fuel cell"

3. S. Hidai, M. Kobayashi, H. Niwa, Y. Harada, M. Oshima, Y. Nakamori, T. Aoki, J. Power Sources 196, 8340 (2011).
"Changes in electronic states of platinum-cobalt alloy catalyst for polymer electrolyte fuel cells by potential cycling"

2. H. Niwa, M. Kobayashi, K. Horiba, Y. Harada, M. Oshima, K. Terakura, T. Ikeda ,Y. Koshigoe, J. Ozaki, S. Miyata, S. Ueda, Y. Yamashita, H. Yoshikawa, K. Kobayashi, J. Power Sources 196, 1006 (2011).
"X-ray photoemission spectroscopy analysis of N-containing carbon-based cathode catalysts for polymer electrolyte fuel cells"

1. M. Oshima, H. Niwa, M. Saito, M. Kobayashi, K. Horiba, Y. Harada, K. Terakura, T. Ikeda, J. Ozaki, Y. Nabae and S. Miyata, Mater. Res. Soc. Symp. Proc. 1318, 437 (2011).
"Electronic Structures of Non-Pt Carbon Alloy Catalysts for Polymer Electrolyte Membrane Fuel Cells Revealed by Synchrotron Radiation Analyses"

presentations

連絡先

東京大学物性研究所軌道放射物性研究施設原田研究室
〒679－5165　兵庫県たつの市新宮町光都1-490-2　兵庫県ナノテク研究所2F
TEL: 0791-58-1973　/　FAX: 0791-58-1972