ACS Nano, 2012, 6 (3), pp 1988–1999

Long-Range Electron Transport of Ruthenium-Centered Multilayer Films via a Stepping-Stone Mechanism Kei-ichi Terada†, Hisao Nakamura‡, Katsuhiko Kanaizuka§, Masa-aki Haga§, Yoshihiro Asai‡*, and Takao Ishida†* † Nanosystem Research Institute (NRI), National Institute of Advanced Industrial Science and Technology (AIST), 1-2-1 Namiki, Tsukuba, Ibaraki 305-8564, Japan ‡ Nanosystem Research Institute (NRI), “RICS”, AIST, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan § Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan Department of Material and Biological Chemistry, Faculty of Science, Yamagata University, 1-4-12 Kozirakawa-machi, Yamagata, 990-8560, Japan