The electronic and ionic conductivities of Ln0.6Sr0.4Co1-yFeyO3 (y=0.2, 0.8) ceramics were evaluated by a dc four-terminal method and ac impedance spectroscopy using a two-terminal blocking electrode method, respectively.
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- 分别采用直流四探针法和交流阻抗谱研究了Ln_(0.;6)Sr_(0
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