Abstract
In order to understand the effect of niobium, tantalum, cobalt and magnesium cations on the ferroelectric properties of barium titanate we study solid solutions between BaTiO3 and BaM1/3N2/3O3 perovskite compounds where M=Co2+ or Mg2+ and N=Nb5+ or Ta5+. These solid solutions become cubic at room temperature for very weak additions. This result cannot be explained by geometrical consideration and suggests that an intermediate solid solution is made for weak additions.
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Weill, F., Rehspringer, J.L., Poix, P. et al. Crystallographic study of BaTiO3-BaM1/3N2/3O3 solid solutions (M=Co or Mg and N=Nb or Ta). J Mater Sci 27, 2316–2320 (1992). https://doi.org/10.1007/BF01105037
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DOI: https://doi.org/10.1007/BF01105037