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、醇凝以及气凝行了初步观察,同时对不同焙烧温度及时间所得粉末吸收行了考察。
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