"KENICHI OZAWA,Susumu Yamamoto,Kazuhiko Mase,Iwao Matsuda","A Surface Science Approach to Unveiling the TiO2 Photocatalytic Mechanism: Correlation between Photocatalytic Activity and Carrier Lifetime",,"e-Journal of Surface Science and Nanotechnology","Japan Society of Vacuum and Surface Science","Vol. 17",,"pp. 130-147",2019,Sept.
"Y. Yokoyama,K. Kawakami,Y. Hirata,K. Takubo,K. Yamamoto,K. Abe,A. Mitsuda,H. Wada,T. Uozumi,S. Yamamoto,I. Matsuda,S. Kimura,K. Mimura,H. Wadati","Photoinduced valence dynamics in EuNi2(Si0.21Ge0.79)2 studied via time-resolved x-ray absorption spectroscopy",,"Physical Review B",,"  100",,"  115123",2019,Sept.
"KENICHI OZAWA,Susumu Yamamoto,Marie D'angelo,Yuto Natsui,Naoya Terashima,Kazuhiko Mase,Iwao Matsuda","Enhanced Photoresponsivity of Fullerene in the Presence of Phthalocyanine: A Time-Resolved X-ray Photoelectron Spectroscopy Study of Phthalocyanine/C60/TiO2(110)",,"Journal of Physical Chemistry C","America Chemical Society","Vol. 123",,"pp. 4388-4395",2019,Jan.
"Roya Liu,KENICHI OZAWA,Naoya Terashima,Yuto Natsui,Baojie Feng,Suguru Ito,Wei-Chuan Chen,Cheng-Maw Cheng,Susumu Yamamoto,Hiroo Kato,Tai-Chang Chiang,Iwao Matsuda","Controlling the surface photovoltage on WSe2 by surface chemical modification",,"Applied Physics Letters","American Institute of Physics","Vol. 112",,,2018,May
"Kenichi Ozawa,Susumu Yamamoto,Ryu Yukawa,Ro-Ya Liu,Naoya Terashima,Yuto Natsui,Hiroo Kato,Kazuhiko Mase,Iwao Matsuda","Correlation between Photocalatytic Activity and Carrier Lifetime: Acetic Acid on Single-Crystal Surfaces of Anatase and Rutile TiO2",,"Journal of Physical Chemistry C","American Chemical Society","Vol. 122",,"pp. 9562-9569",2018,Apr.
"Kenichi Ozawa,Susumu Yamamoto,Ryu Yukawa,Roya Liu,Masato Emori,Koki Inoue,Taku Higuchi,Hiroshi Sakama,Kazuhiko Mase,Iwao Matsuda","What Determines the Lifetime of Photoexcited Carriers on TiO2 Surfaces?",,"The Journal of Physical Chemistry C","American Chemical Society","Vol. 120",,"pp. 29283-29289",2016,Dec.
"Y Kubota,K Murata,J Miyawaki,K Ozawa,MC Onbasli,T Shirasawa,B Feng,Sh Yamamoto,RY Liu,S Yamamoto,SK Mahatha,P Sheverdyaeva,P Moras,CA Ross,S Suga,Y Harada,KL Wang,I Matsuda","Interface electronic structure at the topological insulator?ferrimagnetic insulator junction",,"Journal of Physics: Condensed Matter","IOP Publishing","Vol. 29","No. 5",,2016,Dec.
"R. Yukawa,KENICHI OZAWA,S. Yamamoto,H. Iwasawa,K. Shimada,E. F. Schwier,K. Yoshimatsu,H. Kumigashira,H. Namatame,M. Taniguchi,I. Matsuda","Photon-dressed two-dimensional carriers on the ZnO surface",,"Physical Review B - Condensed Matter and Materials Physics","American Physical Society","Vol. 94",,"p. 165313",2016,Oct.
"Ryu Yukawa,Susumu Yamamoto,Kazuma Akikubo,Kaori Takeuchi,Kenichi Ozawa,Hiroshi Kumigashira,Iwao Matsuda","Tailoring Photovoltage Response at SrRuO3/SrTiO3 Heterostructures",,"Advanced Materials Interfaces","John Wiley & Sons, Inc.","Vol. 3","No. 22",,2016,Sept.
"Kenichi Ozawa,Susumu Yamamoto,Ryu Yukawa,Kazuma Akikubo,Masato Emori,Hiroshi Sakama,Iwao Matsuda","Capturing transiently charged states at the C60/TiO2(110) interface by time-resolved soft X-ray photoelectron spectroscopy",,"Organic Electronics","Elsevier B.V.","Vol. 31",,"pp. 98-103",2016,Jan.
"R. Yukawa,K. Ozawa,S. Yamamoto,Roya Liu,I. Matsuda","Anisotropic effective mass approximation model to calculate multiple subband structures at wide-gap semiconductor surfaces: Application to accumulation layers of SrTiO3 and ZnO",,"Surface Science","Elsevier B.V.","Vol. 641",,"pp. 224-230",2015,July
"R. Yukawa,S. Yamamoto,K. Ozawa,M. Emori,M. Ogawa,Sh. Yamamoto,K. Fujikawa,R. Hobara,S. Kitagawa,Hiroshi Daimon,H. Sakama,I. Matsuda","Electron-hole recombination on ZnO(0001) single-crystal surface studied by time-resolved soft X-ray photoelectron spectroscopy",,"Applied Physics Letters","AIP Publishing","Vol. 105",,"p. 151602",2014,Oct.
"KENICHI OZAWA,Masato Emori,Susumu Yamamoto,Ryu Yukawa,Shingo Yamamoto,Rei Hobara,Kazushi Fujikawa,Hiroshi Sakama,Iwao Matsuda","Electron-Hole Recombination Time at TiO2 Single-Crystal Surfaces: Influence of Surface Band Bending",,"Journal of Physical Chemistry Letters","American Chemical Society","Vol. 5",,"pp. 1953-1957",2014,May
"R. Yukawa,S. Yamamoto,K. Ozawa,M. D'Angelo,Manami Ogawa,M.G. Silly,F. Sirotti,I. Matsuda","Electronic structure of the hydrogen-adsorbed SrTiO3(001) surface studied by polarization-dependent photoemission spectroscopy",,"Physical Review B","American Physical Society","Vol. 87",,"p. 115314",2013,Mar.
"M. D'Angelo,R. Yukawa,K. Ozawa,S. Yamamoto,T. Hirahara,S. Hasegawa,M.G. Silly,F. Sirotti,I. Matsuda","Hydrogen-induced surface metallization of SrTiO3(001)",,"Physical Review Letters",,"Vol. 108",,"p. 116802",2012,Mar.