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16:15 〜 16:30英語発表

[23p-A201-11]Observation of Interlayer Chiral Coupling in Nano-scale Magnetic Tunnel Junctions

〇Yuki Hibino¹, Tatsuya Yamamoto¹, Takeaki Gokita², Tomohiro Taniguchi¹, Daichi Chiba^2,3,4,5, Shinji Yuasa¹ (1.AIST, 2.SANKEN Osaka Univ., 3.CSRN Osaka Univ., 4.OTRI Osaka Univ., 5.SRIS Tohoku Univ.)

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キーワード：

magnetic multilayer、Interlayer exchange coupling、magnetic tunnel junction

Interlayer chiral coupling (ICC), in other word interlayer DMI, in ferromagnet/non-magnet/ferromagnet structure promotes nontrivial magnetic chirality structure between two ferromagnets. Previous works have reported the existence of ICC using sputter-deposited textured films and devices with micrometer size. Here, we focused on observation of ICC in nano-scale region using magnetic tunnel junction devices and report an emergence of large ICC.

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