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Title of Journal: J Electroceram

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Abbravation: Journal of Electroceramics

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Springer US

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DOI

10.1007/bf02921764

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1573-8663

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Characteristics of barium hexaferrite nanocrystall

Authors: A Ataie A Mali
Publish Date: 2007/08/21
Volume: 21, Issue: 1-4, Pages: 357-360
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Abstract

Nanocrystalline particles of barium hexaferrite were synthesized by a solgel combustion route using nitratecitrate gels prepared from metal nitrates and citric acid solutions under various Fe/Ba molar ratios of 10 11 and 12 Sodium hydroxide was used as a pHadjusting agent The results revealed that the formation temperature of barium hexaferrite is influenced by Fe/Ba molar ratio the Fe/Ba molar ratio of 12 is more favorable For sample synthesized with a Fe/Ba molar ratio of 12 barium hexaferrite started to form at 800 °C and fully formed at 1000 °C The results also showed that the coercivity of the samples decreases as the Fe/Ba molar ratio increases from 10 to 12 whilst the saturation magnetization increases

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