Phase equilibria and crystal structure of the complex oxides in the Ln–Ba–Co–O (Ln=Nd, Sm) systems

The phase equilibria in the Ln–Ba–Co–O (Ln=Nd, Sm) systems were systematically studied at 1100 °C in air. The homogeneity ranges and crystal structure of the solid solutions: Ln2−xBaxO3−δ (0

Graphical AbstractProjections of isobaric isothermal phase diagrams of the Nd–Ba–Co–O system and Sm–Ba–Co–O system.Figure optionsDownload as PowerPoint slideHighlights
► Phase equilibria in the Ln–Ba–Co–O systems (Ln=Nd, Sm).
► The homogeneity range for Nd2−xBaxO3−δ solid solutions at studied conditions 0► The homogeneity range for Sm2−xBaxO3−δ solid solutions at studied conditions 0► Nd3−yBayCo2O7 solid solutions within the range 0.7≤y≤0.8.
► BaCo1−zSmzO3−δ solid solutions within the range 0.1≤z≤0.2.