2004
DOI: 10.4028/www.scientific.net/kem.264-268.1241
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Electrical Properties of Na<sub>0.5</sub>Bi<sub>2.5</sub>Ta<sub>2</sub>O<sub>9</sub>-Sr<sub>1-x</sub>Bi<sub>2+y</sub>Ta<sub>2</sub>O<sub>9</sub> Solid Solution Ceramics

Abstract: The (1-x)[Na 0.5 Bi 2.5 Ta 2 O 9 ]x[Sr 0.8 Bi 2.15 Ta 2 O 9 ] (0≤x≤1) solid solution ceramics were synthesized using a conventional sintering method. All the ceramic samples consisted of a single phase with an orthorhombic symmetry A2 1 am and showed well-developed polarization-electric field hysteresis loops. The temperature dependence of the dielectric constant revealed that the Curie temperature T c linearly decreased with an increase in x from 780°C(x=0) to 410°C(x=1.0). The maximum electromechanical coupl… Show more

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