11:30 〜 11:45 ▲ [17a-D704-8] Staircase-like tunnel resistance increase with barrier thickness in epitaxial Fe/Mg4Al-Ox/Fe(001) magnetic tunnel junctions 〇Thomas Scheike1、Zhenchao Wen1、Shinya Kasai1、Hiroaki Sukegawa1、Seiji Mitani1 (1.NIMS)