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Large strain transduction utilizing phase transition in relaxor-ferroelectric single crystals
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View: Figures


Image of FIG. 1.
FIG. 1.

Isothermal room-temperature stress-stress response of [001] poled 0.24PIN–PMN–0.32PT single crystal (Ref. 9). Note sharp stress induced phase transition that is suppressed by bias field of . Inset shows strain-field response of PZN-PT single crystal after Park and Shrout (Ref. 3).

Image of FIG. 2.
FIG. 2.

Isothermal uniaxial compressive stress-strain response of with and without dc field. Left inset shows crystal orientation, the electric field and uniaxial stress directions are shown for 32-mode drive. Right inset depicts a plot of the intermediate isothermal compressive stress vs. E levels responsible for R-O transition.

Image of FIG. 3.
FIG. 3.

(a) Time dependent plot of strain and electric field in PIN–PMN–PT under prestress of 10 MPa and small negative dc bias field for various electric field drive conditions. (b) Example of electrically excited hase transition single crystal transducer for compact low frequency high source level underwater acoustic applications. The magnetostrictive actuator provides stress compensation for changes in temperature and hydrostatic pressure. (End caps and waterproof boot not shown).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Large strain transduction utilizing phase transition in relaxor-ferroelectric Pb(In1/2Nb1/2)O3–Pb(Mg1/3Nb2/3)O3–PbTiO3 single crystals