FURUHATA, Takashi, KITANO, Takeshi, MAGARA, Hiroyuki, MASUDA, Atsushi, TANAKA, So, MOTO, Akihiro, TAKAHASHI, Mitsuo, TANABE, Tatsuya, TAKAGISHI, Shigenori, YAMAMOTO, Akio, HASHIMOTO, AkihiroThe Institute of Pure and Applied Physics2009-11-30Proceedings of International Workshop on Nitride Semiconductorsp.673-676