Mn, Ti substituted barium ferrite to tune electromagnetic properties and enhanced microwave absorption

Ke Ke Ji; Yong Li; Mao Sheng Cao

doi:10.1007/s10854-016-4404-x

Mn, Ti substituted barium ferrite to tune electromagnetic properties and enhanced microwave absorption

Ke Ke Ji, Yong Li, Mao Sheng Cao^*

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Mn, Ti substituted barium ferrite (BaFe_12−x(Mn_0.5Ti_0.5)_xO₁₉) was fabricated by solid state reaction, which shows high efficiency and wide band microwave absorption. The minimum reflection loss (R_L) reaches up to −31 dB and the bandwidth below −10 dB almost covers the whole X band. The enhancement of microwave absorption is attributed to the improvement of dielectric loss and magnetic loss. The imaginary permeability possesses a perfect resonance peak due to the response frequency shifting towards lower frequency by Mn, Ti substitution. The imaginary permittivity reaches up to 0.5. The results show a promising feasible route to tune the electromagnetic properties and develop high efficient absorbers.

Original language	English
Pages (from-to)	5128-5135
Number of pages	8
Journal	Journal of Materials Science: Materials in Electronics
Volume	27
Issue number	5
DOIs	https://doi.org/10.1007/s10854-016-4404-x
Publication status	Published - 1 May 2016

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title = "Mn, Ti substituted barium ferrite to tune electromagnetic properties and enhanced microwave absorption",

abstract = "Mn, Ti substituted barium ferrite (BaFe12−x(Mn0.5Ti0.5)xO19) was fabricated by solid state reaction, which shows high efficiency and wide band microwave absorption. The minimum reflection loss (RL) reaches up to −31 dB and the bandwidth below −10 dB almost covers the whole X band. The enhancement of microwave absorption is attributed to the improvement of dielectric loss and magnetic loss. The imaginary permeability possesses a perfect resonance peak due to the response frequency shifting towards lower frequency by Mn, Ti substitution. The imaginary permittivity reaches up to 0.5. The results show a promising feasible route to tune the electromagnetic properties and develop high efficient absorbers.",

author = "Ji, {Ke Ke} and Yong Li and Cao, {Mao Sheng}",

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T1 - Mn, Ti substituted barium ferrite to tune electromagnetic properties and enhanced microwave absorption

AU - Ji, Ke Ke

AU - Li, Yong

AU - Cao, Mao Sheng

PY - 2016/5/1

Y1 - 2016/5/1

N2 - Mn, Ti substituted barium ferrite (BaFe12−x(Mn0.5Ti0.5)xO19) was fabricated by solid state reaction, which shows high efficiency and wide band microwave absorption. The minimum reflection loss (RL) reaches up to −31 dB and the bandwidth below −10 dB almost covers the whole X band. The enhancement of microwave absorption is attributed to the improvement of dielectric loss and magnetic loss. The imaginary permeability possesses a perfect resonance peak due to the response frequency shifting towards lower frequency by Mn, Ti substitution. The imaginary permittivity reaches up to 0.5. The results show a promising feasible route to tune the electromagnetic properties and develop high efficient absorbers.

AB - Mn, Ti substituted barium ferrite (BaFe12−x(Mn0.5Ti0.5)xO19) was fabricated by solid state reaction, which shows high efficiency and wide band microwave absorption. The minimum reflection loss (RL) reaches up to −31 dB and the bandwidth below −10 dB almost covers the whole X band. The enhancement of microwave absorption is attributed to the improvement of dielectric loss and magnetic loss. The imaginary permeability possesses a perfect resonance peak due to the response frequency shifting towards lower frequency by Mn, Ti substitution. The imaginary permittivity reaches up to 0.5. The results show a promising feasible route to tune the electromagnetic properties and develop high efficient absorbers.

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Mn, Ti substituted barium ferrite to tune electromagnetic properties and enhanced microwave absorption

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