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Direct Observations of Retention Failure in Ferroelectric Memories

机译:铁电记忆体中保留失效的直接观察

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摘要

The ability to reversibly switch the spontaneous polarization with an applied electric field and a small critical domain size makes ferroelectric materials attractive for high-density non volatile memories. However, the written polarization often suffers from a gradual backswitching leading to data loss. At larger scales this process can be attributed to a thermodynamic instability of the written polarization due to electrostatic or elastic energy from built-in electric fields and strain.
机译:利用施加的电场和小的临界畴尺寸可逆地切换自发极化的能力使得铁电材料对高密度非易失性存储器具有吸引力。但是,写入的极化经常遭受逐渐的反向切换而导致数据丢失。在较大规模上,该过程可归因于由于内置电场和应变产生的静电或弹性能,写入极化的热力学不稳定性。

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  • 来源
    《Advanced Materials》 |2012年第8期|p.1106-1110|共5页
  • 作者单位

    Department of Materials Science and Engineering University of Michigan Ann Arbor, Michigan 48109, USA;

    Department of Materials Science and Engineering University of Michigan Ann Arbor, Michigan 48109, USA;

    Department of Materials Science and Engineering University of Michigan Ann Arbor, Michigan 48109, USA;

    Department of Materials Science and Engineering University of Michigan Ann Arbor, Michigan 48109, USA,National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering Nanjing University Nanjing, 210093, P.R. China;

    Department of Materials Science and Engineering University of Wisconsin-Madison Madison, Wisconsin 53706, USA;

    Department of Materials Science and Engineering University of Wisconsin-Madison Madison, Wisconsin 53706, USA;

    International Center for Quantum Materials and School of Physics Peking University Beijing 100871, China;

    Department of Mechanical Engineering University of Washington Seattle, WA 98195, USA;

    Department of Mechanical Engineering University of Washington Seattle, WA 98195, USA;

    Department of Materials Science and Engineering University of Wisconsin-Madison Madison, Wisconsin 53706, USA;

    Department of Materials Science and Engineering University of Michigan Ann Arbor, Michigan 48109, USA;

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