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、醇以及气红光了初步观察，同时对不同焙烧温度及时间所得粉末红吸收光了考察。