The IR spectra of hydrogel, alcogel and aerogel of BaFe12O19 were studied, and the ones of the powders calcined at different temperatures for different time were also studied.

钡铁氧体的水凝胶、醇凝胶以气凝胶的红外光谱进行了初步的观察，同同焙温度所得粉末的红外吸收光谱进行了考察。