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《Journal of Functional Materials》 1992-03
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Preparation of Ultrafine Powder of Ba Fe_(12)O_(19) by PAA Gel Method

Li Feiyue (Department of chemistry,Wuhan University,Wuhan,Hubei,430072 China)  
Ultrafine powder of Ba-Ferrite Ba Fe_(12)O_(19) is prepared by means of polya- crylamide gel.The analytical results of XPO and SEM show that when 1(wt)% B_2O_3 is added and the synthesizing temp- erature decreases from 900℃ to 700℃, the Ba-Ferrite particles present even sizes and the average size is estimated to be less than 100nm.
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