Synthesis of Strontium Hexaferrite SrFe12O19

A. Yu. Starikov, D. M. Galimov, V. E. Zhivulin

Abstract


The paper presents the results of testing the technique for obtaining strontium hexaferrite SrFe12O19 by solid-phase synthesis. Using the scanning electron microscope JEOL JSM7001F equipped with an energy dispersive X-ray fluorescence analyzer INCA X-max 80 (Oxford Instruments), the chemical composition of the samples was established in at.%: O – 62,38;  Fe – 34.95; Sr – 2.67. A uniform distribution of iron and strontium ions was detected. It was found that the sample obtained are monophasic. The crystal structure was examined by X-ray phase analysis using a Rigaku Ultima IV diffractometer. The crystal lattice parameters of the obtained samples are calculated: – 5,8829(3) Å; c – 23,0391(7) Å; V – 690,52 Å3. Using the differential scanning calorimetry method, a Curie temperature of 458°C was determined on the Netzsch 449C Jupiter.

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References


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DOI: http://dx.doi.org/10.24892/RIJIE/20190107

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