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    Stress reconfigurable tunable magnetoelectric resonators as magnetic sensors

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    Downloads: 579
    Date
    2013-01-01
    Author
    Kiser, Jillian
    Finkel, Peter
    Gao, Junqi
    Dolabdjian, Christophe
    Li, Jiefang
    Viehland, Dwight D.
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    Abstract
    We report a magnetoelastic effect in doubly clamped ferromagnetic magnetostrictive Metglas resonators with electrically and magnetically reconfigurable frequency response. The field-induced resonance frequency shift is due to magnetostrictive strain, which is shown to have a strong dependence on uniaxial stress. Here, we demonstrate that this magnetic field induced behavior can be used as the basis for a simple, tunable, magnetoelectric magnetic field sensor. The effect of tension on the field dependent magnetostrictive constant and the sensor sensitivity is examined, and the equivalent magnetic noise floor of such a sensor is estimated. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4789500]
    URI
    http://hdl.handle.net/10919/24926
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    • Scholarly Works, Materials Science and Engineering (MSE) [377]

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