A series of doped barium hexaferrites BaFe12-2xMnxSnxO19 (x = 0.0-1.0) particles were prepared by the co-precipitation/molten salt method. The particle size and crystalline of the samples BaFe12-2xMnxSnxO19 decrease with an increase in the doping amount x. When x is less than 0.8, the pure BaFe12-2xMnxSnxO19 particles with hexagonal plate morphology are obtained. The effects of substitution on magnetic properties were evaluated and compared to nomal BaFe12O19. The specific magnetizations (Ms) of doped mater...
【英文摘要】
A series of doped barium hexaferrites BaFe12-2xMnxSnxO19 (x = 0.0-1.0) particles were prepared by the co-precipitation/molten salt method. The particle size and crystalline of the samples BaFe12-2xMnxSnxO19 decrease with an increase in the doping amount x. When x is less than 0.8, the pure BaFe12-2xMnxSnxO19 particles with hexagonal plate morphology are obtained. The effects of substitution on magnetic properties were evaluated and compared to nomal BaFe12O19. The specific magnetizations (Ms) of doped mater...
【基金】
Funded by National Natural Science Foundation of China (Nos.20801016, 20701013, and 60971020);
Postdoctoral Foundation of Heilongjiang Province(No. LRB07-231);
Fundamental Research Funds for the Central Universities(No.HEUCF201210010)
【更新日期】
2012-06-29
【分类号】
O611.4
【正文快照】
1IntroductionThe M-type barium ferrite BaFe12O19(BaM)crystallizes into a hexagonal structure with64ions perunit cell on11different symmetry sites.The Fe3+ionsare distributed over five distinct sites:three octahedralsites(12k,2a and4f2),one tetrahedral(4f1
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