@article{CTT100626661,
  author = {S. Akasaka and A. Tsukazaki and K. Nakahara and A. Ohtomo and M. Kawasaki},
  title = {Improvement of electron mobility above 100,000cm<sup>2</sup> V<sup>-1</sup>s<sup>-1</sup> in Mg<sub>x</sub>Zn<sub>1-x</sub>O/ZnO heterostructures},
  journal = {Japanese Journal of Applied Physics},
  year = 2011,
}

@article{CTT100619199,
  author = {S. Akasaka and K. Nakahara and H. Yuji and A. Tsukazaki and A. Ohtomo and M. Kawasaki},
  title = {Preparation of an epitaxy-ready surface of a ZnO(0001) substrate},
  journal = {Applied Physics Express},
  year = 2011,
}

@article{CTT100614622,
  author = {A. Tsukazaki and S. Akasaka and K. Nakahara and Y. Ohno and H. Ohno and D. Maryenko and A. Ohtomo and M. Kawasaki},
  title = {Observation of the fractional quantum Hall effect in an oxide},
  journal = {Nature Materials},
  year = 2010,
}

@article{CTT100608957,
  author = {K. Nakahara and S. Akasaka and H. Yuji and K. Tamura and T. Fujii and Y. Nishimoto and D. Takamizu and A. Sasaki and T. Tanabe and H. Takasu and H. Amaike and T. Onuma and S. F. Chichibu and A. Tsukazaki and A. Ohtomo and M. Kawasaki},
  title = {Nitrogen doped Mg<sub>x</sub>Zn<sub>1-x</sub>O/ZnO single heterostructure ultraviolet light-emitting diodes on ZnO substrates},
  journal = {Applied Physics Letters},
  year = 2010,
}

@article{CTT100610560,
  author = {H. Yuji and K. Nakahara and K. Tamura and S. Akasaka and Y. Nishimoto and D. Takamizu and T. Onuma and S. F. Chichibu and A. Tsukazaki and A. Ohtomo and M. Kawasaki},
  title = {Optimization of the growth conditions for molecular beam epitaxy of Mg<sub>x</sub>Zn<sub>1-x</sub>O (0 <= x <= 0.12) films on Zn-polar ZnO substrates},
  journal = {Japanese Journal of Applied Physics},
  year = 2010,
}

@article{CTT100610573,
  author = {S. Akasaka and K. Nakahara and A. Tsukazaki and A. Ohtomo and M. Kawasaki},
  title = {Mg<sub>x</sub>Zn<sub>1-x</sub>O films with a low residual donor concentration (< 10<sup>15</sup> cm<sup>-3</sup>) grown by molecular beam epitaxy},
  journal = {Applied Physics Express},
  year = 2010,
}

@article{CTT100608896,
  author = {M. Nakano and A. Tsukazaki and A. Ohtomo and K. Ueno and S. Akasaka and H. Yuji and K. Nakahara and T. Fukumura and M. Kawasaki},
  title = {Electronic-field control of two-dimensional electrons in polymer-gated-oxide semiconductor heterostructures},
  journal = {Advanced Materials},
  year = 2010,
}

@article{CTT100609388,
  author = {A. Tsukazaki and A. Ohtomo and M. Kawasaki and S. Akasaka and H. Yuji and K. Tamura and K. Nakahara and T. Tanabe and A. Kamisawa and T. Gokmen and J. Shabani and M. Shayegan},
  title = {Spin susceptibility and effective mass of two-dimensional electrons in Mg<sub>x</sub>Zn<sub>1-x</sub>O/ZnO heterostructures},
  journal = {Physical Review B},
  year = 2008,
}

@article{CTT100608892,
  author = {M. Nakano and T. Makino and A. Tsukazaki and K. Ueno and A. Ohtomo and T. Fukumura and H. Yuji and Y. Nishimoto and S. Akasaka and D. Takamizu and K. Nakahara and T. Tanabe and A. Kamisawa and M. Kawasaki},
  title = {Mg<sub>x</sub>Zn<sub>1-x</sub>O-based Schottky photodiode for highly color-selective ultraviolet light detection},
  journal = {Applied Physics Express},
  year = 2008,
}

@article{CTT100608890,
  author = {M. Nakano and T. Makino and A. Tsukazaki and K. Ueno and A. Ohtomo and T. Fukumura and H. Yuji and S. Akasaka and K. Tamura and K. Nakahara and T. Tanabe and A. Kamisawa and M. Kawasaki},
  title = {Transparent polymer Schottky contact for a high performance visible-blind ultraviolet photodiode based on ZnO},
  journal = {Applied Physics Letters},
  year = 2008,
}

@article{CTT100608959,
  author = {Y. Nishimoto and K. Nakahara and D. Takamizu and A. Sasaki and K. Tamura and S. Akasaka and H. Yuji and T. Fujii and T. Tanabe and H. Takasu and A. Tsukazaki and A. Ohtomo and T. Onuma and S. F. Chichibu and M. Kawasaki},
  title = {Plasma-assisted molecular beam epitaxy of high optical quality MgZnO films on Zn-polar ZnO substrates},
  journal = {Applied Physics Express},
  year = 2008,
}

@article{CTT100609467,
  author = {A. Tsukazaki and H. Yuji and S. Akasaka and K. Tamura and K. Nakahara and T. Tanabe and H. Takasu and A. Ohtomo and M. Kawasaki},
  title = {High electron mobility exceeding 10<sup>4</sup> cm<sup>2</sup>V<sup>-1</sup>s<sup>-1</sup> in Mg<sub>x</sub>Zn<sub>1-x</sub>O/ZnO single heterostructures grown by molecular beam epitaxy},
  journal = {Applied Physics Express},
  year = 2008,
}

@inproceedings{CTT100611109,
  author = {A. Tsukazaki and S. Akasaka and K. Nakahara and A. Kamisawa and Y. Ohno and H. Ohno and A. Ohtomo and M. Kawasaki},
  title = {Fractional quantum Hall effect in MgZnO/ZnO heterostructures},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100610077,
  author = {A. Tsukazaki and A. Ohtomo and S. Akasaka and K. Nakahara and Y. Ohno and H. Ohno and M. Kawasaki},
  title = {The fractional quantum Hall effect in MgZnO/ZnO based haterostructures},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100611084,
  author = {塚崎 敦 and 赤坂 俊輔 and 中原 健 and 神澤 公 and 大野 裕三 and 大野 英男 and 大友 明 and 川崎雅司},
  title = {2DEG移動度100,000 cm<sup>2</sup>V<sup>-1</sup>s<sup>-1</sup>を越えるMgZnO/ZnO界面の実現},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100611088,
  author = {牧野 哲征 and 瀬川 勇三朗 and 塚崎 敦 and 大友 明 and 沈 睿 and 嶽山 正二郎 and 赤坂 俊輔 and 中原 健 and 川崎 雅司},
  title = {ZnO単一ヘテロ構造における磁気発光特性},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100610074,
  author = {A. Tsukazaki and M. Nakano and S. Akasaka and K. Nakahara and A. Kamisawa and A. Ohtomo and M. Kawasaki},
  title = {Transistor operation at MgZnO/ZnO interface by Schottky gating with conducting polymer},
  booktitle = {},
  year = 2009,
}

@inproceedings{CTT100610064,
  author = {A. Tsukazaki and M. Nakano and S. Akasaka and K. Nakahara and A. Kamisawa and A. Ohtomo and M. Kawasaki},
  title = {Electric-field control of two dimensional transport at MgZnO/ZnO interfaces by conducting polymer Schottky gate},
  booktitle = {},
  year = 2009,
}

@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{CTT100609645,
  author = {H. Yuji and K. Nakahara and K. Tamura and S. Akasaka and A. Sasaki and T. Tanabe and H. Takasu and T. Onuma and S. F. Chichibu and A. Tsukazaki and A. Ohtomo and M. Kawasaki},
  title = {Mg<sub>x</sub>Zn<sub>1-x</sub>O epitaxial films grown on ZnO substrates by molecular beam epitaxy},
  booktitle = {Proceedings of SPIE (Zinc Oxide Materials and Devices III, edited by F. H. Teherani and C. W. Litton)},
  year = 2008,
}

@misc{CTT100610070,
  author = {塚崎 敦 and 中野 匡規 and 大友 明 and 上野 和紀 and 赤坂 俊輔 and 湯地 洋行 and 中原 健 and 福村 知昭 and 川崎 雅司},
  title = {酸化亜鉛系分極不整合界面の2次元伝導と導電性高分子を用いた伝導性制御},
  year = 2010,
}