@article{CTT100625800,
  author = {Takashi Tateishi and Joong-Sang Han and Hiroaki Takeda and Takuya Hoshina and Takaaki Tsurumi},
  title = {Fabrication of Lead-Free Semiconducting Ceramics Using BaTiO3-(Bi1/2Na1/2)TiO3 System by Sintering in Air Atmosphere},
  journal = {Key Engin. Mater.},
  year = 2011,
}

@article{CTT100625801,
  author = {Hiroaki Takeda and Joong-Sang Han and Takashi Tateishi and Spela Kunej and Colin Leach and Robert Freer and Takuya Hoshina and Takaaki Tsurumi},
  title = {Characterization of Grain Boundaries of Lead-Free Semiconducting Ceramics using BaTiO3-(Bi1/2K1/2)TiO3 System},
  journal = {Key Engin. Mater.},
  year = 2011,
}

@article{CTT100604248,
  author = {Hiroaki Takeda and Joong Sang HAN and Masaya Nishida and Tadashi Shiosaki and Takuya Hoshina and Takaaki Tsurumi},
  title = {Growth and Piezoelectric Properties of Ferroelectric Bi<sub>2</sub>WO<sub>6</sub> Mono-domain Crystals},
  journal = {Solid State Communications},
  year = 2010,
}

@inproceedings{CTT100633813,
  author = {Hiroaki Takeda and Hitomi Akutsu and Joong-Sang Han and Takashi Tateishi and Takuya Hoshina and Takaaki Tsurumi},
  title = {Properties of Semiconductive BaTiO3-(Bi1/2Na1/2)TiO3 Ceramics Fabricated in Various Atmospheres},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100633434,
  author = {Hiroaki Takeda and Hitomi Akutsu and Joong-Sang Han and Takashi Tateishi and Takuya Hoshina and Takaaki Tsurumi},
  title = {Effect of Ca2+-doping on Electrical Properties of  BaTiO3-(Bi1/2Na1/2)TiO3 Ceramics},
  booktitle = {},
  year = 2011,
}