@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{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{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,
}

@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,
}