Abstract

In this paper, the microstructure of metal borates grown by the solution-melt crystallization method was determined by X-ray diffraction broadening analysis. XRD measurements of the calcite-type borates were carried out using X-ray diffractometers SmartLab Rigaku and DRON-3 with Cu Kα radiation. The Williamson-Hall analysis and Debye–Sherrer method were used to study the individual contributions of crystallite sizes and strain on the peak broadening of FeBO3, InBO3 and GaBO3. The crystallite sizes of the FeBO3 and GaBO3 calculated on the Williamson–Hall plots are in good agreement with the Scherrer method. We have also investigated the temperature dependence of crystallite size and strain in FeBO3. It was found that the temperature increased in the value of crystallite size and strain, indicating that the ordering of the crystal structure in iron borate with heat processing.

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