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  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{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},
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  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,
}