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Single crystals of PbTiO3 (PT) and BiFeO3(BFO) were grown by a self-flux method, and the influence of lattice defects on the leakage current properties at 25degC was investigated. While PT crystals annealed in air at 700degC showed a leakage current density of the order of 10-5 A/cm2 , annealing under a high oxygen partial pressure of 35 MPa at 700degC increased the leakage current density to 10-4...
Data are reported for the dielectric, ferroelectric, piezoelectric and electrostrictive properties of potassium substituted sodium bismuth titanate. For the morphotropic phase boundary composition, relaxor-type behavior was observed at room temperature with ferroelectric (PR = 25 muC/cm2, EC = 30 kV/cm) and piezoelectric properties (d33 = 325 10-12 m/V). With increasing temperature a transition to...
Data are reported for the dielectric, piezoelectric, electrostrictive, and ferroelectric properties of potassium-substituted sodium bismuth titanate, [(KxNa1-x)0.5Bi0.5]TiO3. For the morphotropic phase boundary composition x = 0.2, relaxor-type behavior was observed at room temperature with piezoelectric (effective d333 = 325 ldr10-12 m/V) and ferroelectric properties (PR = 25 muC/cm2, Ec = 30 kV/cm)...
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