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    Comparison of noise floor and sensitivity for different magnetoelectric laminates

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    2010_Comparison_noise_floor_sensitivity.pdf (730.3Kb)
    Downloads: 821
    Date
    2010-10-15
    Author
    Gao, Junqi
    Das, Jaydip
    Xing, Zengping
    Li, Jiefang
    Viehland, Dwight D.
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    Abstract
    We present a comparison of the magnetoelectric (ME) response and magnetic-field sensitivities of engineered laminate sensors comprised of magnetostrictive and piezoelectric phases. The ME voltage coefficients for Metglas and single crystal fibers of Pb(Mg1/3Nb2/3) O-3-PbTiO3 (PMN-PT) or Pb(Zn1/3Nb2/3) O-3-PbTiO3 (PZN-PT) are about 2.8 times larger than those with Metglas-Pb(Zr, Ti)O-3 (PZT) ceramic ones. This results in a 1.7 times enhancement in the magnetic-field sensitivity for the structures with single crystals. Accordingly, the noise floors are about three to four times lower for composites with PMN-PT or PZN-PT fibers than those with PZT. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3486483]
    URI
    http://hdl.handle.net/10919/52427
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    • Scholarly Works, Materials Science and Engineering (MSE) [399]

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