Low temperature sintering of LaNbO4 proton conductors from freeze-dried precursors

A synthesis method based on freeze-dried precursors was used to obtain nanocrystalline powders of pure and Ca-doped LaNbO4 at 800°C. Dense ceramics were prepared at temperature as low as 1100°C. The LaNbO4 ceramics were examined by scanning electron microscopy (SEM) to study the microstructure evolu...

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Veröffentlicht in:	Journal of the European Ceramic Society 2012-06, Vol.32 (6), p.1235-1244
Hauptverfasser:	Amsif, M., Marrero-López, D., Ruiz-Morales, J.C., Savvin, S., Núñez, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ceramic powders Ceramics Densification Evolution Fuel cells Grain boundaries Grain size Impedance spectroscopy LaNbO4 Precursor synthesis Precursors Proton conductor Sintering (powder metallurgy)
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