Publication | Closed Access
Giant Strains in Non‐Textured (Bi<sub>1/2</sub>Na<sub>1/2</sub>)TiO<sub>3</sub>‐Based Lead‐Free Ceramics
586
Citations
32
References
2015
Year
Materials SciencePhase TransitionsCrystalline CeramicsSingle CrystalsEngineeringCeramicsGiant StrainsGiant Electric-field-induced StrainCeramic MaterialApplied PhysicsFunctional CeramicCeramics MaterialsRaw Materials ScienceStructural CeramicCeramic PowdersElectrical PropertiesMicrostructure
Giant electric-field-induced strain of 0.70%, corresponding to a d33 * value of 1400 pm V(-1) , is observed in a lead-free (Bi1/2 Na1/2 )TiO3 -based polycrystalline ceramic. This is comparable to the properties of single crystals. An in situ transmission electron microscopy study indicates that the excellent performance originates from phase transitions under the applied electric fields.
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