1. K. Oe and H. Asai, Symp. Record Electronic Material Symp. ’95, Izu-Nagaoka, Japan (1995), pp. 191–194.
2. K. Oe and H. Asai, IEICE Trans. Electron. E79-C, 1751 (1996).
3. K. Oe and H. Okamoto, Jpn. J. Appl. Phys. 37, L1283 (1998).
4. J. Yoshida, H. Yamamizu, T. Kita, and K. Oe, Proc. 13th Int. Conf. Indium Phosphide and Related Materials, Nara, Japan (2001), pp. 109–112.
5. K. Oe, J. Cryst. Growth 237–239, 1481 (2002).