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(Color online) Variation of the magnetoelectric coefficient as a function of the dc bias at frequency for the PZT-NZF particulate composites.
(Color online) Structure of the magnetic field sensor/piezoelectric transformer. (a) Schematic diagram of the piezoelectric transformer showing the ring/dot electrode pattern on the same piece of the ceramic. The ring and dot are separated by a thin insulation gap. The same structure is utilized for the magnetic field sensor. (b) Equivalent circuit model for the piezoelectric transformer.
(Color online) Sensor characterization showing the variation of the output voltage as a function of frequency with and without applied magnetic field: (a) input , (b) input , and (c) input .
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