Current-Induced Modulation of Coercive Field in the Ferromagnetic Oxide SrRuO3

被引：4
|
作者：
Yamanouchi, Michihiko [1 ,2 ]
Oyamada, Tatsuro [2 ]
Sato, Koichi [2 ]
Ohta, Hiromichi [1 ,2 ]
Ieda, Jun'ichi [3 ]
机构：
[1] Hokkaido Univ, Res Inst Elect Sci, Sapporo, Hokkaido 0010020, Japan
[2] Hokkaido Univ, Grad Sch Informat Sci & Technol, Sapporo, Hokkaido 0600814, Japan
[3] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2019年 / 55卷 / 07期
关键词：
Current-induced domain wall motion (CIDWM); domain wall (DW); ferromagnetic oxide; field-like torque (FLT); MAGNETIC-ANISOTROPY; SPIN-POLARIZATION; DOMAIN-DRAG; DYNAMICS; MOTION;
D O I：
10.1109/TMAG.2019.2894897
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We investigated the coercive field H-c for domain wall (DW) motion as a function of the current I in the ferromagnetic oxide SrRuO3, a model system with narrow DWs for fabricating high-density spintronics devices. The DW is moved by I in the direction of the current, and H-c is modulated linearly in I. This linear relationship is consistent with an effective magnetic field H-eff driving the DW. The direction of DW motion and the magnitude of H-eff are well described by a model based on the field-like torque arising from the spin relaxation of conduction electrons in the DW.
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页数：4
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