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Electrical Control of the Exchange Spring in Antiferromagnetic Metals
Author(s) -
Wang Yuyan,
Zhou Xiang,
Song Cheng,
Yan Yinuo,
Zhou Shiming,
Wang Guangyue,
Chen Chao,
Zeng Fei,
Pan Feng
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201405811
Subject(s) - antiferromagnetism , spintronics , materials science , condensed matter physics , spring (device) , modulation (music) , metal , ionic bonding , hall effect , ferromagnetism , electrical resistivity and conductivity , metallurgy , electrical engineering , mechanical engineering , chemistry , ion , physics , organic chemistry , acoustics , engineering
Electrical control of the exchange spring in antiferromagnetic metals is obtained in [Co/Pt]/IrMn Hall devices by using an ionic liquid, where the exchange spring could transfer the “force” and enable a deeper modulation depth in the IrMn. This work provides a new approach toward electrical modulation of the spin structures in metallic antiferromagnets, which should be significant in advancing the development of low‐power‐consumption antiferromagnet (AFM) spintronics.

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