[1] [1] L.-L. Zhang, G.-Z. Zhao, H. Zhong, Y. Hu, and C.-L. Zhang, Chin. Phys. Lett. 21, 2295 (2004).

[2] [2] F. Huang, B. Schulkin, H. Altan, J. F. Federici, D. Gary, R. Barat, D. Zimdars, M. Chen, and D. B. Tanner, Appl. Phys. Lett. 85, 5535 (2004).

[3] [3] Y. Chen, H. Liu, Y. Deng, D. Schauki, M. J. Fitch, R. Osiander, C. Dodson, J. B. Spicer, M. Shur, and X.-C. Zhang, Chem. Phys. Lett. 400, 357 (2004).

[4] [4] J. F. Federici, D. Gary, B. Schulkin, F. Huang, H. Altan, R. Barat, and D. Zimdars, Appl. Phys. Lett. 83, 2477 (2003).

[5] [5] K. Yamamoto, M. Yamaguchi, F. Miyamaru, M. Tani, M. Hangyo, T. Ikeda, A. Matsushita, K.Koide, M. Tatsuno, and Y. Minami, Jpn. J. Appl. Phys. Part 2 43, L414 (2004).

[6] [6] D. J. Funk, F. Calgaro, R. D. Averitt, M. L. T. Asaki, and A. J. Taylor, Appl. Spectrosc. 58, 428 (2004).

[7] [7] K. B. Lipkowitz and D. B. Boud, Review in Computational Chemistry (VCH Publisher Inc., New York, 1991).

[8] [8] J. L. Lyman Y.-C. Liau, and H. V. Brand, Combustion and Flame 130, 185 (2002).

[9] [9] X. Zhao and N. Shi, Chin. Sci. Bulletin 41, 574 (1996).