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Piezoelectric Properties of PbNi<sub>1/3</sub>Nb<sub>2/3</sub>O<sub>3</sub>–PbTiO<sub>3</sub>–PbZrO<sub>3</sub> Ceramics
50
Citations
5
References
1997
Year
Materials ScienceCeramic CompositionsEngineeringFerroelectric ApplicationMechanical EngineeringApplied PhysicsCondensed Matter PhysicsFerroelectric MaterialsCeramics MaterialsK 33Piezoelectric MaterialsPiezoelectric PropertiesPiezoelectric MaterialPiezoelectricityGrain SizeElectrical PropertiesFunctional Materials
The longitudinal electromechanical coupling factor ( k 33 ) was investigated as a function of PbNi 1/3 Nb 2/3 O 3 – PbTiO 3 –PbZrO 3 (PNN-PT-PZ) piezoelectric ceramic compositions close to the morphotropic phase boundary (MPB). The k 33 was influenced by the grain size of PNN-PT-PZ ceramics. The composition of the MPB determined by k 33 is slightly different from that of the free permittivity. The maximum value of k 33 in PNN-PT-PZ system attained to 0.8 on the composition of 0.5PNN-0.345PT-0.155PZ.
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