Influence of oxygen on luminescence and vibrational spectra of Mg-doped GaN

Yasuo Koide 1, , D. E. Walker, Jr., B. D. White, L. J. Brillson, T. Itoh, R. L. McCreery, Masanori Murakami, S. Kamiyama, H. Amano, and I. Akasaki 1 Department of Electrical Engineering, The Ohio State University, Columbus, Ohio 43210, USA 2 Department of Materials Science and Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan 3 Department of Chemistry, The Ohio State University, Columbus, Ohio 43210, USA 4 Department of Materials Science and Engineering, Meijo University, Tempaku-ku, Nagoya, 468-8502, Japan