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      • KCI등재

        Low temperature processing of Li-Mn-Ti ferrite ceramics with V2O5 addition and effects on microstructural and B-H loop properties.

        Mamata Maisnam 한양대학교 세라믹연구소 2017 Journal of Ceramic Processing Research Vol.18 No.5

        Lithium manganese titanium ferrites were prepared by adding different amount of V2O5 by the ceramic technique. Thecompounds have the compositional formula Li+0.6Mn4+0.1Ti4+0.1Fe3+2.20O2-4 +(x) V2O5 where x= 0.0, 0.1, 0.2 and 0.3 wt. % is theamount of V2O5 added. The samples were pre-sintered at 650 oC for 2 h and then finally sintered at 950 oC for 1 h. XRD studiesconfirmed all the samples with single phase spinel structures. Various structural parameters were obtained from the XRDdata. SEM micrographs revealed the microstructures of the prepared samples. Curie temperature decreased with increase ofV2O5 addition. B-H loops were traced from the sintered torroidal samples. Various hysteresis parameters like remanance,coercivity, remanance ratio etc for varied V2O5 additions were determined from the loop. These properties were comparedwith those measured from sample of same composition but prepared with 0.5 wt% of Bi2O3 addition and sintered at 1050 oCfor 4 h.The results of the measurements are discussed in the paper.

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