1. T. Kimoto, N. Miyamoto, and H. Matsunami, IEEE Trans. Electron Dev. 46, 471 (1999).
2. L. Zhu, Z. Li, and T.P. Chow, J. Electron. Mater. 30, 891 (2001).
3. T. Kimoto, N. Miyamoto, A. Schoner, A. Saitoh, and H. Matsunami, J. Appl. Phys. 91, 4242 (2001).
4. Y. Tanaka, N. Kobayashi, H. Okumura, R. Suzuki, M. Hasegawa, M. Ogura, S. Yoshida, and H. Tanoue, Int. Conf. on Silicon Carbide Related Materials (Uetikon-Zurich, Switzerland: Trans Tech Publications, 2000), pp. 909–912.
5. M. Bakowski, P. Ericsson, C. Harris, S. Karlsson, S. Safage, and A. Schoner, Compd. Semicond. 6, 75 (2000).