Synthesis of solid solutions of double-layered Ruddlesden-Popper phases in the Gd2O3-SrO-Fe2O3-Al2O3 system |
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Authors: | E A Tugova A I Klyndyuk V V Gusarov |
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Institution: | 1290. Ioffe Physical-Technical Institute, Russian Academy of Sciences, St. Petersburg, Russia 2290. Saint-Petersburg State Institute of Technology (Technical University), St. Petersburg, Russia 3290. Belarussian State Technological University, Minsk, Belarus
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Abstract: | The continuous Gd2Sr(Al1 ? x Fe x )2O7 solid solution series was synthesized by a solid-state route over the entire concentration range (0 < x < 1). The processing stages of Gd2Sr(Al1 ? x Fe x )2O7 series were investigated, and phase interaction schemes reflecting the multistaged formation of double-layered Ruddlesden-Popper solid solution are constructed. The closeness of the reactive mixture composition to the composition of individual compounds Gd2SrAl2O7 or Gd2SrFe2O7 is of importance for the realization of a particular way of Gd2Sr(Al1 ? x Fe x )2O7 solid solutions formation. |
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