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Giant magnetoelectric effect in vacuum

机译:真空中的巨大磁电效应

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摘要

Magnetoelectric (ME) thin film cantilever type sensors made of AIN and FeCoSiB are operated in vacuum, reducing air damping and thus increasing the ME coefficient and improving the limit of detection (LOD) for ac-magnetic fields. Depending on the sensor geometry, the response is increased by a factor of 5 resulting in a ME coefficient of 20kV/cmOe at 152 Hz and by a factor of 11 with 12kV/cm0e at 4.7 kHz and an improvement in LOD by an order of magnitude. Modelling these cantilevers reveals dominant contributions of viscoelastic and molecular damping above and intrinsic damping below 10~2 mbar, respectively.
机译:由AIN和FeCoSiB制成的磁电(ME)薄膜悬臂式传感器在真空中运行,从而减少了空气阻尼,从而提高了ME系数,并改善了交流磁场的检测极限(LOD)。取决于传感器的几何形状,响应增加了5倍,导致152 Hz下的ME系数为20kV / cmOe,而4.7 kHz处的12kV / cm0e则提高了11倍,LOD改善了一个数量级。 。对这些悬臂进行建模,分别揭示了粘弹性和分子阻尼在10〜2 mbar以下和固有阻尼的主要作用。

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  • 来源
    《Applied Physics Letters》 |2013年第23期|232905.1-232905.4|共4页
  • 作者单位

    Inorganic Functional Materials, Institute for Materials Science, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    Integrated Systems and Photonics, Institute of Electrical Engineering, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    High-Frequency Laboratory, Institute of Electrical Engineering, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    High-Frequency Laboratory, Institute of Electrical Engineering, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    Microsystems Technology, Fraunhofer Institute for Silicon Technology ISIT, Fraunhoferstr. 1, D-25524 Itzehoe, Germany;

    Microsystems Technology, Fraunhofer Institute for Silicon Technology ISIT, Fraunhoferstr. 1, D-25524 Itzehoe, Germany;

    High-Frequency Laboratory, Institute of Electrical Engineering, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    Integrated Systems and Photonics, Institute of Electrical Engineering, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    Inorganic Functional Materials, Institute for Materials Science, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

    Inorganic Functional Materials, Institute for Materials Science, Kiel University, Kaiserstrasse 2, D-24143 Kiel, Germany;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
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  • 入库时间 2022-08-18 03:16:30

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