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Phase equilibria in the system CaO-CoO-Co2O3-MnO-MnO2 at 700–1200°C in air were studied on the basis of published data and proper experiments. No new compounds were found. The results are presented in the form of 13 isothermal sections of the phase diagram. [ABSTRACT FROM AUTHOR]

Phase equilibria in the system CaO-CoO-Co2O3-MnO-MnO2 at 700–1200°C in air were studied on the basis of published data and proper experiments. No new compounds were found. The results are presented in the form of 13 isothermal sections of the phase diagram. [ABSTRACT FROM AUTHOR]

Attempts of the synthesis in air of complex oxides Sr3RhMnOx and Sr4Rh1.5Mn1.5Ox resulted in revealing formation of a new oxide phase Sr6.3Rh2.35Mn2.35O9 related to quasi-unidimensional family A3 n+3 m A′ n B3 m+ n O9 m+6 n at n = 1 and m = 1. Its structural characteristics and magnetic properties are studied. X-ray data of the obtained phase is indicated on the basis of trigonal cell (spatial group P321) with the parameters: a 9.6239(4) Å; c 1 4.1130(4) Å, c 2 2.4946(2) Å. Manganese and rhodium exist in the compound as the cations Mn4+, Rh3+ and Rh4+, as follows from the data of measuring of magnetic susceptibility in the range 2–300 K. [ABSTRACT FROM AUTHOR]

Attempts of the synthesis in air of complex oxides Sr3RhMnOx and Sr4Rh1.5Mn1.5Ox resulted in revealing formation of a new oxide phase Sr6.3Rh2.35Mn2.35O9 related to quasi-unidimensional family A3 n+3 m A′ n B3 m+ n O9 m+6 n at n = 1 and m = 1. Its structural characteristics and magnetic properties are studied. X-ray data of the obtained phase is indicated on the basis of trigonal cell (spatial group P321) with the parameters: a 9.6239(4) Å; c 1 4.1130(4) Å, c 2 2.4946(2) Å. Manganese and rhodium exist in the compound as the cations Mn4+, Rh3+ and Rh4+, as follows from the data of measuring of magnetic susceptibility in the range 2–300 K. [ABSTRACT FROM AUTHOR]

Phase equilibria in the CaO-CuO-Cu2O-MnO-MnO2 system at 900–1400°C in air were examined on the basis of published and newly obtained data. No new compounds were revealed. The results are presented in the form of 12 isothermal sections of the phase diagram. [ABSTRACT FROM AUTHOR]