by Takano, Yasushi, Morizumi, Kenta, Watanabe, Satoshi, Masuda, Hiroyuki, Okamoto, Takuya, Noda, Kunihiro, Fukuda, Shinya, Ozeki, Tomokazu, Kuwahara, Kazuhiro, Fuke, Shunro, Furukawa, Yuzo, Yonezu, Hiroo
Published in Japanese Journal of Applied Physics (01.01.2009)