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    Extremely low frequency response of magnetoelectric multilayer composites

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    Downloads: 598
    Date
    2005-03-01
    Author
    Dong, Shuxiang
    Zhai, Junyi
    Xing, Zengping
    Li, Jiefang
    Viehland, Dwight D.
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    Abstract
    A promising generation of extremely low frequency magnetic field sensors, based on multilayer composites (MLCs) of magnetostrictive Terfenol-D, (Tb(1-x)Dy(x)Fe(2-y)) and piezoelectric Pb(Mg(1/3)Nb(2/3))O(3)-PbTiO(3), has been developed. Our MLC magnetoelectric sensor presently shows a limit in (i) working frequency of similar to 5 x 10(-3) Hz; and (ii) magnetic field sensitivity of 10(-7), 10(-9), and 10(-11) T for frequencies of f = 10(-2), 1, and 10(2) Hz, respectively. The results open up possibilities for sensitive low frequency passive magnetic anomaly detection. (c) 2005 American Institute of Physics.
    URI
    http://hdl.handle.net/10919/25253
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    • Scholarly Works, Materials Science and Engineering (MSE) [393]

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