Affiliation: | 1. Department of Materials, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan;2. Department of Materials Physics and Chemistry, Graduate School of Engineering, 744 Motooka, Nishi-ku, Fukuoka, 819-0395 Japan;3. Research Center for Structural Materials, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047 Japan |