Affiliation: | a Department of Nano-Material Systems, Graduate School of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan b Institute of Solid State Chemistry, Siberian Branch, Russian Academy of Sciences, Kutateladze 18, 630128 Novosibirsk, Russia c Japan Technical Information Service (JATIS), Nippon Steel Buldg., 14th Floor, 2-6-3 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan |