Fibrous structures on diamond and carbon surfaces formed by hydrogen plasma under direct-current bias and field electron-emission properties

Koji Kobashi, Takeshi Tachibana, Yoshihiro Yokota, Nobuyuki Kawakami, Kazushi Hayashi, Kazuhiro Yamamoto, Yoshinori Koga, Shuzo Fujiwara, Yasuhito Gotoh, Hironori Nakahara, Hiroshi Tsuji, Junzo Ishikawa, Franz A. Köck, Robert J. Nemanich