@article{CTT100647461,
  author = {Yoshiaki Hirai and Yukiya Hidaka and Yasuyoshi Kurokawa and Akira Yamada},
  title = {Improvement of the Band Profile of Cu(In,Ga)Se2 Solar Cells with High-Ga Content Prepared Using a Five-Stage Method},
  journal = {Japanese Journal of Applied Physics},
  year = 2012,
}

@inproceedings{CTT100643055,
  author = {Akira Yamada and Xianfeng Zhang and Satoshi Oonishi and Hiroshi Nagashima and Yukiya Hidaka and Yuta Nakajima and Tsuyoshi Kobayashi and Yoshiaki Hirai and Yasuyoshi Kurokawa},
  title = {Approaches to realization of Cu(InGa)Se2-based tandem solar cells},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100625742,
  author = {Y. Hidaka and Akira Yamada and Makoto Konagai},
  title = {SIMS and EBIC evaluations of high-Ga Cu(InGa)Se2 solar cells grown by three-stage process},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100626193,
  author = {田代好之 and 大塚真弘 and 澁谷一成 and 山崎 亨 and 舩木雅之 and 日高悠樹弥 and 山田 明 and 小長井誠},
  title = {CIGS薄膜太陽電池Zn(S,O,OH)バッファ層および接合界面の構造評価},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100597949,
  author = {T.Fujita and M.Kawamura and M.Nishijima and S.Oonishi and Y.Hidaka and Akira Yamada and M.Konagai},
  title = {High-quality chalcopyrite-based materials for tandem-type solar cells},
  booktitle = {},
  year = 2009,
}