Abstract

AbstractEffects of various Cr and B sources and preheating conditions on the high temperature synthesis of chromium orthoborate were studied. Precursors were mixed, ground, heated at 1000 °C and reground. The obtained products were checked by XRD, vibrational and electronic spectroscopy, SEM and density measurements. Some characteristic properties were redetermined and compared with the earlier data. The reaction between hydrated Cr(III) sulfate and boric acid (or hydrated ammonium borate salts) was found to be the most effective in providing nanosize crystallites of calcite‐type CrBO3 with 99 % purity. Finally, temperature dependent magnetic properties were investigated and paramagnetic to antiferromagnetic transition was observed at 12 K.

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