In this paper we report the preparation and characterization of Sr1-xNaxSiO3-0.5x samples, recently proposed as oxide ion conductors. We show that Na-doping unlikely takes place in the silicate phase, and that a secondary glassy phase is at the origin of the transport properties, thereby suggesting that the conductivity is due only to a limited extent to oxide ion migration in the crystalline system
Tealdi, C., Malavasi, L., Uda, I., Ferrara, C., Berbenni, V., Mustarelli, P. (2014). Nature of conductivity in SrSiO3-based fast ion conductors. CHEMICAL COMMUNICATIONS, 50(94), 14732-14735 [10.1039/c4cc07025a].
Nature of conductivity in SrSiO3-based fast ion conductors
Ferrara C.;Mustarelli P.
2014
Abstract
In this paper we report the preparation and characterization of Sr1-xNaxSiO3-0.5x samples, recently proposed as oxide ion conductors. We show that Na-doping unlikely takes place in the silicate phase, and that a secondary glassy phase is at the origin of the transport properties, thereby suggesting that the conductivity is due only to a limited extent to oxide ion migration in the crystalline system
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