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A pencil-like magnetoelectric sensor exhibiting ultrahigh coupling properties
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10.1063/1.4798509
/content/aip/journal/jap/113/13/10.1063/1.4798509
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/13/10.1063/1.4798509

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram of the proposed one-dimensional pencil-like magnetoelectric (ME) sensor.

Image of FIG. 2.
FIG. 2.

The simplified equivalent physics model for the pencil-like ME sensor.

Image of FIG. 3.
FIG. 3.

ME field coefficients of the pencil-like sensors as a function of: (a)the thickness ratio with a fixed diameter ratio of 10 and (b) the diameter ratio with a fixed thickness ratio of 100. The maximum allowable compressive stress in the piezoelectric disk is kept at 80 MPa for PZT-4 and 40 MPa for PZT-5H, respectively.

Image of FIG. 4.
FIG. 4.

Calculated ME field coefficients of the sensors and the compressive stresses in the P phase as a function of the applied dc bias magnetic field with the fixed thickness ratio of 100: using the cylinder design of  = 1 in (a) and (b) and using the pencil-like design of  = 10 in (c) and (d).

Image of FIG. 5.
FIG. 5.

Calculated ME coupling properties of the pencil-like sensor as a function of the applied magnetic field with different frame stiffnesses of ; , , ; (a) and (b)ME field coefficients and the stresses in the PZT-4; (c) and (d) ME charge density coefficients and the stresses in the PZT-4.

Tables

Generic image for table
Table I.

Material constants for PZT-4/PZT-5H and Terfenol-D used for theoretical calculations.

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/content/aip/journal/jap/113/13/10.1063/1.4798509
2013-04-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A pencil-like magnetoelectric sensor exhibiting ultrahigh coupling properties
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/13/10.1063/1.4798509
10.1063/1.4798509
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