Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2018/05/01 Vol. E101-CNo. 5pp. 391-395 Type of Manuscript: Special Section PAPER (Special Section on Innovative Superconducting Devices Based on New Physical Phenomena) Category: Keyword: Bi2Sr2CaCu2Oy high-Tc superconductor, intrinsic Josephson junction, spin-injection,