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Current-induced effective field in perpendicularly magnetized Ta/CoFeB/MgO wire

机译：垂直磁化的Ta / CoFeB / MgO导线中的电流感应有效场

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摘要

The current-induced effective field in perpendicularly magnetized Ta/CoFeB/MgO wire was investigated. A threshold field decrease of 6.4 kOe/mA was observed by measuring the threshold field of Hall resistance versus the magnetic field curve with various bias currents. The decrease was probably caused by the in-plane effective field, mainly due to the Rashba effect. The effective field of the Ta/CoFeB/MgO wire was smaller and opposite in direction compared to that of Pt/Co/A1O_x previously reported.
机译：研究了垂直磁化的Ta / CoFeB / MgO导线中的电流感应有效场。通过在各种偏置电流下测量霍尔电阻与磁场曲线的阈值场，观察到阈值场降低了6.4 kOe / mA。下降可能是由于平面内有效场引起的，主要是由于Rashba效应。与先前报道的Pt / Co / AlO_x相比，Ta / CoFeB / MgO线的有效磁场更小且方向相反。

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  • 来源
    《Applied Physics Letters》 |2011年第14期|p.142505.1-142505.3|共3页
  • 作者

    T. Suzuki; S. Fukami; N. Ishiwata; M. Yamanouchi; S. Ikeda; N. Kasai; H. Ohno;

  • 作者单位

    Renesas Electronics Corporation, Sagamihara, Kanagawa 252-5298, Japan;

    NEC Corporation, Sagamihara, Kanagawa 252-5298, Japan;

    NEC Corporation, Sagamihara, Kanagawa 252-5298, Japan;

    Center for Spintronics Integrated Systems, Tohoku University, Sendai 980-8577, Japan;

    Center for Spintronics Integrated Systems, Tohoku University, Sendai 980-8577, Japan,Laboratory for Nanoelectronics and Spintronics, Research Institute of Electrical Communication,Tohoku University, Sendai 980-8577, Japan;

    NEC Corporation, Sagamihara, Kanagawa 252-5298, Japan,Center for Spintronics Integrated Systems, Tohoku University, Sendai 980-8577, Japan;

    Center for Spintronics Integrated Systems, Tohoku University, Sendai 980-8577, Japan,Laboratory for Nanoelectronics and Spintronics, Research Institute of Electrical Communication,Tohoku University, Sendai 980-8577, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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  • 入库时间 2022-08-18 03:17:52

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