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.

对钡铁氧体的胶、醇胶以气胶的红外光谱进行了初步的观察，同对不同焙烧温度所得粉末的红外吸收光谱进行了考察。