镧六方铁氧体Ba1-xLaxFe12O19的电磁 性能与吸波特性

Abstract

Abstract: The particles of lanthanum hexagogal ferrite Ba_1-xLa_xFe₁₂O₁₉ were synthesized by the sol-gel method. Their crystal structure, particle morphology, electromagnetic properties and microwave absorbing property were studied. The magnetization, the retentivity and the coercivity of the synthesized barium f errite decrease greatly due to the addition of La³⁺, and t hey are up to the corresponding ones of soft magnetic materials. It was found t hat the microwave absorbency of barium ferrite in the range of 1.65～2.95　GHz was good.

Key words: lanthanum hexagonal ferrite, electromagnetic properties, loss, micro wave absorbing property

CLC Number:

O611.3

YUAN Lan-ying, GAN Shu-cai, MENG Jian. Electromagnetic Properties and Microwave Absorbing Property of Lanthanum Hexagonal Ferrite Ba_1-xLa_xFe₁₂O_{19[J].J4, 2003, 41(02): 231-233.}

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Electromagnetic Properties and Microwave Absorbing Property of Lanthanum Hexagonal Ferrite Ba_1-xLa_xFe₁₂O₁₉

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Electromagnetic Properties and Microwave Absorbing Property of Lanthanum Hexagonal Ferrite Ba1-xLaxFe12O19

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Electromagnetic Properties and Microwave Absorbing Property of Lanthanum Hexagonal Ferrite Ba_1-xLa_xFe₁₂O₁₉