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Published online by Cambridge University Press: 17 March 2011
This paper discusses how inhomogeneities and heterogeneities enter impedance and conductivity analyses in the case of microstructural periodicity. The specific considerations of various examples of ionically and ionically/electronically conductiong materials systems (bicrystals, microcrystalline and nanocrystalline samples) show how a reliable and thorough characterization is possible.