Affiliation: | 1. WPI-Advanced Institute for Materials Research, Tohoku University, Miyagi, 980-8577, Japan;2. WPI-International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, 305-0044, Japan;3. Graduate School of Environmental Studies, Tohoku University, Miyagi, 980-8579, Japan;4. Center for Science and Innovation in Spintronics, Tohoku University, 2-1-1 Katahira, Sendai, 980-8577, Japan;5. Center for Promotion of Innovation Strategy, Tohoku University, Miyagi, 980-0845, Japan |