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    High magnetic field sensitivity in Pb(Zr,Ti)O(3)-Pb(Mg(1/3)Nb(2/3))O(3) single crystal/Terfenol-D/Metglas magnetoelectric laminate composites

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    2010_High_magnetic_field_sensitivity.pdf (826.0Kb)
    Downloads: 383
    Date
    2010-05-01
    Author
    Park, Chee-Sung
    Cho, Kyung-Hoon
    Arat, Mustafa Ali
    Evey, Jeff
    Priya, Shashank
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    Abstract
    We report the magnetic field sensitivity results on five layer structure given as Metglas/Terfenol-D/PMN-PZT/Terfenol-D/Metglas, where PMN and PZT correspond to Pb(Mg(1/3)Nb(2/3))O(3) and Pb(Zr,Ti)O(3), respectively. The piezoelectric constant (d(33)) of poled PMN-PZT was found to be 1600 pC/N with dielectric constant of 5380 at 1 kHz. The sensitivity measurements were conducted after attaching individual layers in the laminate clearly delineating the effect occurring in the response. The magnetoelectric response for this five layer structure at 1 kHz was found to be 5 V/cm Oe at dc bias field of 1000 Oe under an ac drive of 1 Oe. At 1 kHz frequency, the sensor was able to deterministically measure step changes of 500 nT while at 10 Hz we can clearly identify the sensitivity of 1 mu T. These results are very promising for the cheap room-temperature magnetic field sensing technology. (C) 2010 American Institute of Physics. [doi:10.1063/1.3406142]
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    http://hdl.handle.net/10919/52453
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    • Scholarly Works, Materials Science and Engineering (MSE) [377]

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