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Influence of planar Hall effect on the output signal in a T-shaped spin conversion device
Applied Physics Letters ( IF 4 ) Pub Date : 2021-08-30 , DOI: 10.1063/5.0061147
Hayato Mizuno 1 , Hironari Isshiki 1 , Kouta Kondou 2 , Yuanzhi Zhu 3 , Yoshichika Otani 1, 2
Affiliation  

The T-shaped spin conversion device consisting of ferromagnetic and spin Hall (or spin conversion) materials is an indispensable component in a new type of logic circuit called a magnetoelectric spin–orbit device. We examine the influence of the planar Hall effect (PHE) on the output signal in the T-shaped device. Angular dependences of decomposed even and odd components in the signal reveal that the PHE causes an even-symmetric component in the output signal because the magnetic moment continuously rotates clockwise (or counterclockwise). Thus, the PHE makes it challenging to detect odd magnetic field responses induced by the inverse spin Hall effect containing the zero-field magnetic state information. We can suppress the adverse effect by choosing a low anisotropic magnetoresistance ferromagnet. This study gives valuable information for designing the optimal T-shaped structure for the magnetoelectric logic device application.

中文翻译:

T型自旋转换器件中平面霍尔效应对输出信号的影响

由铁磁和自旋霍尔(或自旋转换)材料组成的 T 形自旋转换器件是一种称为磁电自旋轨道器件的新型逻辑电路中不可缺少的组件。我们研究了平面霍尔效应 (PHE) 对 T 形器件中输出信号的影响。信号中分解的偶数和奇数分量的角度相关性表明,由于磁矩连续顺时针(或逆时针)旋转,因此 PHE 会导致输出信号中出现偶数对称分量。因此,PHE 使得检测由包含零场磁状态信息的逆自旋霍尔效应引起的奇磁场响应变得具有挑战性。我们可以通过选择低各向异性磁阻铁磁体来抑制不利影响。
更新日期:2021-09-03
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