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.

对钡铁氧体水凝胶、醇凝胶以及气凝胶进行了初步观察，同时对不同焙烧温度及时间所得粉末吸收进行了考察。