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首页> 外文期刊>Advanced Functional Materials >A Nonvolatile Spintronic Memory Element with a Continuum of Resistance States
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A Nonvolatile Spintronic Memory Element with a Continuum of Resistance States

机译：具有连续电阻状态的非易失性自旋电子存储元件

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摘要

A continuum of stable remanent resistance states is reported in perpendicularly magnetized pseudo spin valves with a graded anisotropy free layer. The resistance states can be systematically set by an externally applied magnetic field. The gradual reversal of the free layer with applied field and the field-independent fixed layer leads to a range of stable and reproducible remanent resistance values, as determined by the giant magnetoresistance of the device. An analysis of first-order reversal curves combined with magnetic force microscopy shows that the origin of the effect is the field-dependent population of up and down domains in the free layer.
机译：在具有梯度各向异性自由层的垂直磁化伪自旋阀中，报告了连续的稳定剩磁电阻状态。可以通过外部施加的磁场来系统地设置电阻状态。自由层随着施加的电场和与电场无关的固定层的逐渐反转会导致一系列稳定且可重现的剩余电阻值，这由器件的巨大磁阻确定。一阶反转曲线与磁力显微镜相结合的分析表明，这种影响的起因是自由层中上下磁畴的场相关种群。

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  • 来源
    《Advanced Functional Materials》 |2013年第15期|1919-1922|共4页
  • 作者

    Yeyu Fang; R. K. Dumas; T. N. Anh Nguyen; 5. M. Mohseni; S. Chung; C. W. Miller; Johan Akerman;

  • 作者单位

    Department of Physics University of Gothenburg 412 96 Gothenburg, Sweden;

    Department of Physics University of Gothenburg 412 96 Gothenburg, Sweden;

    Materials Physics School of Information and Communication Technology KTH - Royal Institute of Technology Electrum 229, 164 40 Stockholm-Kista, Sweden;

    Materials Physics School of Information and Communication Technology KTH - Royal Institute of Technology Electrum 229, 164 40 Stockholm-Kista, Sweden;

    Materials Physics School of Information and Communication Technology KTH - Royal Institute of Technology Electrum 229, 164 40 Stockholm-Kista, Sweden;

    Department of Physics University of South Florida Tampa, FL 33620, USA;

    Department of Physics University of Gothenburg 412 96 Gothenburg, Sweden,Materials Physics School of Information and Communication Technology KTH - Royal Institute of Technology Electrum 229, 164 40 Stockholm-Kista, Sweden;

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