關鍵字查詢 | 類別:期刊論文 | | 關鍵字:BaFe12O19 powder with high magnetization prepared by acetone-aided coprecipitation

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序號 學年期 教師動態
1 102/1 化材系 余宣賦 教授 期刊論文 發佈 BaFe12O19 powder with high magnetization prepared by acetone-aided coprecipitation , [102-1] :BaFe12O19 powder with high magnetization prepared by acetone-aided coprecipitation期刊論文BaFe12O19 powder with high magnetization prepared by acetone-aided coprecipitationYu, Hsuan-fu淡江大學化學工程與材料工程學系Barium hexaferrite;Coprecipitation;Magnetic property;Magnetization;Hard magnetsAmsterdam: Elsevier B.V.Journal of Magnetism and Magnetic Materials 341, pp.79-85BaFe12O19 particles with high magnetization were produced using an acetone-aided coprecipitation process. An aqueous solution of iron and barium nitrates, in an Fe3+/Ba2+ molar ratio of 12, was added in a stirred precipitation liquid medium composed of H2O, CH3(CO)CH3 and NH4OH. After reacting metallic ions with ammonia, the precipitates were formed, centrifugally filtered, freezing-dried and calcined. Effects of amount of the acetone in the precipitation liquid medium on the formation of crystalline BaFe12O19 were investigated. The presence of acetone in the precipitation liquid medium can greatly promote formation of the crystalline Ba
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