@article{CTT100589219,
  author = {Li Zhang and Mitsutaka Nishijima and AKIRA YAMADA and MAKOTO KONAGAI},
  title = {Growth of Cu(In,Ga)Se2 thin films using ionization Ga source and application for solar cells},
  journal = {Phys. Status Solidi C},
  year = 2009,
}

@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,
}

@inproceedings{CTT100597939,
  author = {Akira Yamada and M. Kawamura and M. Nishijima and M. Konagai},
  title = {High-performance Cu(InGa)Se2 thin-film solar cells grown with active sources},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100572576,
  author = {Zhang Li and Mitsutaka Nishijima and Akira Yamada and Makoto Konagai},
  title = {Growth of Cu(In0.3,Ga0.7)Se2 thin films using ionization Ga source and application for solar cells},
  booktitle = {},
  year = 2008,
}