Microstructure and Magnetic Properties of La-Doped Barium-Ferrite

Chang Sen Zhang; Leia Yang

doi:10.4028/www.scientific.net/AMR.668.706

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 668Microstructure and Magnetic Properties of La-Doped...

Microstructure and Magnetic Properties of La-Doped Barium-Ferrite

Abstract:

The La-doped barium ferrites microparticles were successful synthesized by citrate sol-gel method. The structure, morphology and magnetic properties of the ferrite were characterized by X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), differential thermal analysis (TG-DSC) and superconducting quantum interference device (SQUID). The results showed that the average crystallite size of La-doped barium-ferrite decreased with increasing La content. The morphology of the barium ferrite was spherical particles; however, doped lanthanum, barium ferrite changed into laminated structure. In addition, doping lanthanum improved the magnetic properties of the ferrite. The saturation magnetization (Ms) of La-doped M-type barium ferrite 67.70emu/g, it was greater than the non-doped M-type barium ferrite 57.45emu/g.

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Periodical:

Advanced Materials Research (Volume 668)

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706-709

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.668.706

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Online since:

March 2013

Authors:

Chang Sen Zhang, Leia Yang

Keywords:

Ba-Ferrite, La-Doped, Magnetic Property, Microstructure

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