Current-Driven Narrow Domain Wall Depinning in Perpendicular Spin Valves

D. Ravelosona; D. Lacour; J. A. Katine; B. D. Terns

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Current-Driven Narrow Domain Wall Depinning in Perpendicular Spin Valves

机译：垂直自旋阀中的电流驱动窄畴壁钉扎

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We have studied the current-driven dephming processes for a narrow 12-nm wide one-dimensional Bloch domain wall (DW) in films exhibiting perpendicular magnetic anisotropy (PMA). High sensitivity magnetotransport measurements allow us to observe the motion of the narrow DW between pinned sites separated by ～20 nm. Thermal fluctuations are found to play a crucial role. A current-driven depinning force two to three orders of magnitude higher than has been seen in conventional in-plane systems is found, suggesting a more efficient spin transfer mechanism in our PMA system.

机译：我们已经研究了显示垂直磁各向异性（PMA）的薄膜中12纳米宽的一维布洛赫畴壁（DW）的电流驱动脱模过程。高灵敏度的磁传输测量使我们能够观察到相隔约20 nm的固定位置之间窄DW的运动。发现热波动起着至关重要的作用。发现电流驱动的钉扎力比传统的平面系统高出两到三个数量级，这表明在我们的PMA系统中，旋转传递机制更有效。

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《IEEE Transactions on Magnetics》 |2005年第10期|p.2618-2620|共3页
作者
D. Ravelosona; D. Lacour; J. A. Katine; B. D. Terns;
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正文语种 eng
中图分类磁性材料、铁氧体;
关键词
Domain Wall (DW); Magnetization Reversal; Perpendicular Anisotropy; Spin Transfer;

机译：磁畴壁（DW）;磁化反转;垂直各向异性;自旋转移;

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1. Current-driven transverse domain wall oscillations in perpendicular spin-valve structures [J] . M. V. Lubarda, M. Kuteifan, C.-H. Lambert, Physical review . 2020,第1期

机译：垂直旋转阀结构中电流驱动的横向域壁振荡
2. Current-driven transverse domain wall oscillations in perpendicular spin-valve structures [J] . Lubarda M. V, Kuteifan M., Lambert C-H, Physical review, B . 2020,第1期

机译：垂直旋转阀结构中电流驱动的横向域壁振荡
3. Current-driven domain wall dynamics in spin-valve nanostrips with parallel, perpendicular, and tilted polarizers [J] . Peng-Bin He The European physical journal, B. Condensed matter physics . 2013,第10期

机译：具有平行，垂直和倾斜偏振器的自旋阀纳米带中电流驱动的畴壁动力学
4. Nanometer scale observation of current-induced narrow domain wall depinning in perpendicular spin valves [C] . Ravelosona, D., Lacour, . 2005

机译：垂直旋转阀中电流诱导的窄域壁脱钉的纳米尺度观察
5. The study of perpendicularly magnetized CoFe/Pd multilayers for domain wall motion [D] . Meng, Zhaoliang. 2016

机译：垂直磁化CoFe / Pd多层磁畴壁运动的研究
6. Author Correction: Spin-orbit-torque-induced magnetic domain wall motion in Ta/CoFe nanowires with sloped perpendicular magnetic anisotropy [O] . Yue Zhang, Shijiang Luo, Xiaofei Yang, -1

机译：作者更正：自旋轨道转矩引起的具有倾斜垂直磁各向异性的Ta / CoFe纳米线的磁畴壁运动
7. Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect [O] . Lee, O. J., Liu, L. Q., Pai, C. F., 2013

机译：畴壁脱垂对垂直磁化的中心作用由旋转霍尔效应的自旋扭矩驱动的开关

Current-Driven Narrow Domain Wall Depinning in Perpendicular Spin Valves

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