@article{CTT100609391,
  author = {A. Tsukazaki and A. Ohtomo and T. Kita and Y. Ohno and H. Ohno and M. Kawasaki},
  title = {Quantum Hall effect in polar oxide heterostructures},
  journal = {Science},
  year = 2007,
}

@inproceedings{CTT100609735,
  author = {A. Ohtomo and A. Tsukazaki and T. Kita and Y. Ohno and H. Ohno and K. Nakahara and H. Yuji and K. Tamura and S. Akasaka and H. Takasu and M. Kawasaki},
  title = {Quantum Hall effect in ZnO},
  booktitle = {},
  year = 2008,
}

@inproceedings{CTT100609618,
  author = {A. Ohtomo and A. Tsukazaki and T. Kita and Y. Ohno and H. Ohno and M. Kawasaki},
  title = {Quantum Hall effect in polar oxide heterostructures},
  booktitle = {},
  year = 2007,
}

@misc{CTT100609657,
  author = {塚崎 敦 and 大友 明 and 北 智洋 and 大野 裕三 and 大野 英男 and 川崎 雅司},
  title = {ZnO/MgZnO界面における量子ホール効果},
  year = 2007,
}

@misc{CTT100609672,
  author = {大友 明 and 塚崎 敦 and 北 智洋 and 大野 裕三 and 大野 英男 and 川崎雅司},
  title = {ZnOの量子ホール効果},
  year = 2007,
}