Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe12O19 ceramics

Gangli Feng; Wancheng Zhou; Hongwei Deng; Minghao Yang; Yuchang Qing; Fa Luo; Dongmei Zhu; Zhibin Huang; Yingying Zhou; Chunhai Wang

doi:10.1007/s10854-019-01596-3

Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe₁₂O₁₉ ceramics

Gangli Feng
, Wancheng Zhou
, Hongwei Deng
, Minghao Yang
, Yuchang Qing
, Fa Luo
, Dongmei Zhu
, Zhibin Huang
, Yingying Zhou
, Chunhai Wang

材料学院

Northwestern Polytechnical University Xian
AECC Shenyang Engine Research Institute
Xi'an Aeronautical University

科研成果: 期刊稿件 › 文章 › 同行评审

3 引用（Scopus）

摘要

The A-site substituted (20 mol% Sr²⁺ and Ca²⁺) and B-site substituted (20 mol% Co³⁺ and Mn³⁺) M-type BaFe₁₂O₁₉ (BFO) ceramics were synthesized and the magnetic properties and microwave absorption were investigated. The A-site substitution by Ca²⁺ or B-site substitution by Co³⁺ can effectively modify the magnetic properties of the M-type BFO. The B-site dopant suppresses the complex permittivity more greatly than A-site ones and substitution of Co³⁺ at B-site changes the microwave permeability response to a resonate-like manner in 2.6–18 GHz. The A-site substitution is more effective on the enhancement of peak absorption whilst B-site substitution is more effective on the enhancement of absorption bandwidth. A wide bandwidth of reflection loss (RL) value below − 5 dB (> 70% microwave absorption) of the BaFe_11.8Mn_0.2O₁₉ ceramic is obtained in 3.6–18 GHz and the minimum RL of − 18.5 dB is obtained at 7.2 GHz with a thickness of 2.5 mm.

源语言	英语
页（从-至）	12382-12388
页数	7
期刊	Journal of Materials Science: Materials in Electronics
卷	30
期	13
DOI	https://doi.org/10.1007/s10854-019-01596-3
出版状态	已出版 - 1 7月 2019

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@article{fc3c8711d6294b8a93058391ffdbe23c,

title = "Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe12O19 ceramics",

abstract = "The A-site substituted (20 mol\% Sr2+ and Ca2+) and B-site substituted (20 mol\% Co3+ and Mn3+) M-type BaFe12O19 (BFO) ceramics were synthesized and the magnetic properties and microwave absorption were investigated. The A-site substitution by Ca2+ or B-site substitution by Co3+ can effectively modify the magnetic properties of the M-type BFO. The B-site dopant suppresses the complex permittivity more greatly than A-site ones and substitution of Co3+ at B-site changes the microwave permeability response to a resonate-like manner in 2.6–18 GHz. The A-site substitution is more effective on the enhancement of peak absorption whilst B-site substitution is more effective on the enhancement of absorption bandwidth. A wide bandwidth of reflection loss (RL) value below − 5 dB (> 70\% microwave absorption) of the BaFe11.8Mn0.2O19 ceramic is obtained in 3.6–18 GHz and the minimum RL of − 18.5 dB is obtained at 7.2 GHz with a thickness of 2.5 mm.",

author = "Gangli Feng and Wancheng Zhou and Hongwei Deng and Minghao Yang and Yuchang Qing and Fa Luo and Dongmei Zhu and Zhibin Huang and Yingying Zhou and Chunhai Wang",

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T1 - Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe12O19 ceramics

AU - Feng, Gangli

AU - Zhou, Wancheng

AU - Deng, Hongwei

AU - Yang, Minghao

AU - Qing, Yuchang

AU - Luo, Fa

AU - Zhu, Dongmei

AU - Huang, Zhibin

AU - Zhou, Yingying

AU - Wang, Chunhai

PY - 2019/7/1

Y1 - 2019/7/1

N2 - The A-site substituted (20 mol% Sr2+ and Ca2+) and B-site substituted (20 mol% Co3+ and Mn3+) M-type BaFe12O19 (BFO) ceramics were synthesized and the magnetic properties and microwave absorption were investigated. The A-site substitution by Ca2+ or B-site substitution by Co3+ can effectively modify the magnetic properties of the M-type BFO. The B-site dopant suppresses the complex permittivity more greatly than A-site ones and substitution of Co3+ at B-site changes the microwave permeability response to a resonate-like manner in 2.6–18 GHz. The A-site substitution is more effective on the enhancement of peak absorption whilst B-site substitution is more effective on the enhancement of absorption bandwidth. A wide bandwidth of reflection loss (RL) value below − 5 dB (> 70% microwave absorption) of the BaFe11.8Mn0.2O19 ceramic is obtained in 3.6–18 GHz and the minimum RL of − 18.5 dB is obtained at 7.2 GHz with a thickness of 2.5 mm.

AB - The A-site substituted (20 mol% Sr2+ and Ca2+) and B-site substituted (20 mol% Co3+ and Mn3+) M-type BaFe12O19 (BFO) ceramics were synthesized and the magnetic properties and microwave absorption were investigated. The A-site substitution by Ca2+ or B-site substitution by Co3+ can effectively modify the magnetic properties of the M-type BFO. The B-site dopant suppresses the complex permittivity more greatly than A-site ones and substitution of Co3+ at B-site changes the microwave permeability response to a resonate-like manner in 2.6–18 GHz. The A-site substitution is more effective on the enhancement of peak absorption whilst B-site substitution is more effective on the enhancement of absorption bandwidth. A wide bandwidth of reflection loss (RL) value below − 5 dB (> 70% microwave absorption) of the BaFe11.8Mn0.2O19 ceramic is obtained in 3.6–18 GHz and the minimum RL of − 18.5 dB is obtained at 7.2 GHz with a thickness of 2.5 mm.

UR - https://www.scopus.com/pages/publications/85068095475

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DO - 10.1007/s10854-019-01596-3

M3 - 文章

AN - SCOPUS:85068095475

SN - 0957-4522

VL - 30

SP - 12382

EP - 12388

JO - Journal of Materials Science: Materials in Electronics

JF - Journal of Materials Science: Materials in Electronics

IS - 13

ER -

Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe12O19 ceramics

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Magnetic and microwave absorption properties in 2.6–18 GHz of A-site or B-site substituted BaFe₁₂O₁₉ ceramics