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Ba and Srβ-alumina ionic conductors were synthesized by solid state sintering at 2033 to 2073 K and their electrical conductivities were measured by a.c. impedance spectroscopy. The electrical conductivities at 1673 K were 2.05x10 -2 and 4.6x10 -3 S m -1 for Sr and Baβ-aluminas, respectively. An oxygen concentration cell and d.c. polarization methods were applied...
Sr and Baβ-aluminas in a single phase were synthesized in the MO-MgO-Al 2 O 3 (M=Sr and Ba) system by a solid state sintering method. The electrical conductivity was measured at 873 to 1473 K by an AC impedance method. The total electrical conductivities of Srβ-alumina and Baβ-alumina were 1.2x10 -2 S m -1 and 6.7x10 -4 S m -1 at...
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