S. M. Nizam Uddin - School of Materials Science, Japan Advanced Institute of Science and Technology, Ishikawa 923-1292, Japan
Salinthip Laokroekkiat - Japan Advanced Institute of Science and Technology
Md. A. Rashed - Japan Advanced Institute of Science and Technology
Shino Mizuno - Japan Advanced Institute of Science and Technology
Kenta Ono - Yamagata University
Manabu Ishizaki - Yamagata University
Katsuhiko Kanaizuka - Yamagata University
Masato Kurihara - Yamagata University
Yuki Nagao - School of Materials Science, Japan Advanced Institute of Science and Technology, Ishikawa 923-1292, Japan
Tsutomu Hamada - Japan Advanced Institute of Science and Technology