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.

钡铁氧体胶、醇胶以及气胶红光谱进行了初步观察，同同焙烧温度及间所得粉末红吸收光谱进行了考察。