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镧六方铁氧体La_xBa_1-x_Fe_(12)O_(19)的制备与表征 被引量:9

Preparation and Characterization of Hexagonal Ferrite La_xBa_1-x_Fe (12)O_(19)
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摘要 Hexagonal ferrite samples of La xBa 1-x Fe 12 O 19 (x≤0 2) have been prepared by a sol gel method. The composition ratios of the samples were confirmed by atomic absorption spectrometry and chemical analysis. The results of XRD, DTA, TGA and SEM showed that the samples have the same crystal structure as barium ferrite, with grain sizes being less than 1 μm. Hexagonal ferrite samples of La xBa 1-x Fe 12 O 19 (x≤0 2) have been prepared by a sol gel method. The composition ratios of the samples were confirmed by atomic absorption spectrometry and chemical analysis. The results of XRD, DTA, TGA and SEM showed that the samples have the same crystal structure as barium ferrite, with grain sizes being less than 1 μm.
出处 《应用化学》 CAS CSCD 北大核心 2000年第2期219-221,共3页 Chinese Journal of Applied Chemistry
关键词 制备 溶胶-凝胶法 镧六方铁氧体 表征 rare earth hexagonal ferrite,preparation,sol-gel method
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