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Abstract
X-ray diffraction and Mössbauer spectroscopy were used to investigate samples, prepared by chemical coprecipitation, in the system (1 − x)Fe 2O 3 + xEu 2O 3, 0 ≤ x ≤ 1. The samples obtained at 600 °C contained poorly crystallized p an amorphous fraction. When the temperature of heating was increased to 900 °C, the amorphous fraction disappeared and all samples were well crystallized. The temperature of formation of Eu 3Fe 5O 12 was significantly lower when chemical coprecipitation was used to prepare the starting material than when the solid state reaction was applied. The formation of α-Fe 2O 3, EuFeO 3, Eu 3Fe 5O 12, Eu 2O 3 and of an amorphous phase was dependent on x. The complex nature of the samples was reflected in their Mössbauer spectra.
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