3:15 PM - 3:30 PM ▼ [18p-E216-8] Characterization for a hetero structure of ferrimagnetic insulator CoFe2O4 and superconductor Nb 〇Masahiro Sato1, Yuma Hironaka1, Yota Takamura1, Shigeki Nakagawa1 (1.Tokyo Tech.)