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  title = {Controlling the surface photovoltage on WSe2 by surface chemical modification},
  journal = {Applied Physics Letters},
  year = 2018,
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@article{CTT100774213,
  author = {Kenichi Ozawa and Susumu Yamamoto and Ryu Yukawa and Ro-Ya Liu and Naoya Terashima and Yuto Natsui and Hiroo Kato and Kazuhiko Mase and Iwao Matsuda},
  title = {Correlation between Photocalatytic Activity and Carrier Lifetime: Acetic Acid on Single-Crystal Surfaces of Anatase and Rutile TiO2},
  journal = {Journal of Physical Chemistry C},
  year = 2018,
}

@article{CTT100759036,
  author = {Ro-Ya Liu and Yu Ogawa and Peng Chen and Kenichi Ozawa and Takeshi Suzuki and Masaru Okada and Takashi Someya and Yukiaki Ishida and Kozo Okazaki and Shik Shin and Tai-Chang Chiang and Iwao Matsuda},
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  year = 2017,
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@article{CTT100759028,
  author = {Kenichi Ozawa and Susumu Yamamoto and Ryu Yukawa and Roya Liu and Masato Emori and Koki Inoue and Taku Higuchi and Hiroshi Sakama and Kazuhiko Mase and Iwao Matsuda},
  title = {What Determines the Lifetime of Photoexcited Carriers on TiO2 Surfaces?},
  journal = {The Journal of Physical Chemistry C},
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}

@article{CTT100715625,
  author = {R. Yukawa and K. Ozawa and S. Yamamoto and Roya Liu and I. Matsuda},
  title = {Anisotropic effective mass approximation model to calculate multiple subband structures at wide-gap semiconductor surfaces: Application to accumulation layers of SrTiO3 and ZnO},
  journal = {Surface Science},
  year = 2015,
}