Broadband microwave absorption of Fe                         3                         O                         4                         –BaTiO                         3                          composites enhanced by interfacial polarization and impedance matching

Yue Huang; Jindou Ji; Yan Chen; Xiang Li; Jun He; Xingwang Cheng; Shuli He; Ying Liu; Jiping Liu

doi:10.1016/j.compositesb.2019.01.008

Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching

Yue Huang, Jindou Ji, Yan Chen, Xiang Li^*, Jun He, Xingwang Cheng, Shuli He, Ying Liu, Jiping Liu

^*Corresponding author for this work

School of Material Science and Engineering

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

110 Citations (Scopus)

Abstract

Nanocomposites composed of magnetic and dielectric materials are suitable for high performance electromagnetic wave absorbers due to their great impedance matching. In this work, the microwave absorbing properties of Fe ₃ O ₄ –BaTiO ₃ composites were investigated over a frequency range of 1–18 GHz Fe ₃ O ₄ –BaTiO ₃ composites present significantly enhanced microwave absorption performance compared with BaTiO ₃ . For the optimal Fe ₃ O ₄ (x)–BaTiO ₃ (1-x) (x = 0.8) composite, the reflection loss (RL) could reach −47.4 dB at 12.26 GHz with a matching thickness of 2.2 mm, the bandwidth below −10 dB is 5.0 GHz, which is six times higher than BaTiO ₃ . The broadened absorption bandwidth is resulted from better impedance matching. This results show that Fe ₃ O ₄ –BaTiO ₃ composites can be used as an excellent microwave absorption materials with strong absorption and broad bandwidth.

Original language	English
Pages (from-to)	598-605
Number of pages	8
Journal	Composites Part B: Engineering
Volume	163
DOIs	https://doi.org/10.1016/j.compositesb.2019.01.008
Publication status	Published - 15 Apr 2019

Keywords

Hydrothermal method
Impedance matching
Microwave absorption
Multiferroic

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10.1016/j.compositesb.2019.01.008

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Huang, Y., Ji, J., Chen, Y., Li, X., He, J., Cheng, X., He, S., Liu, Y., & Liu, J. (2019). Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching Composites Part B: Engineering, 163, 598-605. https://doi.org/10.1016/j.compositesb.2019.01.008

Huang, Yue ; Ji, Jindou ; Chen, Yan et al. / Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching In: Composites Part B: Engineering. 2019 ; Vol. 163. pp. 598-605.

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title = " Broadband microwave absorption of Fe 3 O 4 –BaTiO 3 composites enhanced by interfacial polarization and impedance matching ",

abstract = " Nanocomposites composed of magnetic and dielectric materials are suitable for high performance electromagnetic wave absorbers due to their great impedance matching. In this work, the microwave absorbing properties of Fe 3 O 4 –BaTiO 3 composites were investigated over a frequency range of 1–18 GHz Fe 3 O 4 –BaTiO 3 composites present significantly enhanced microwave absorption performance compared with BaTiO 3 . For the optimal Fe 3 O 4 (x)–BaTiO 3 (1-x) (x = 0.8) composite, the reflection loss (RL) could reach −47.4 dB at 12.26 GHz with a matching thickness of 2.2 mm, the bandwidth below −10 dB is 5.0 GHz, which is six times higher than BaTiO 3 . The broadened absorption bandwidth is resulted from better impedance matching. This results show that Fe 3 O 4 –BaTiO 3 composites can be used as an excellent microwave absorption materials with strong absorption and broad bandwidth.",

keywords = "Hydrothermal method, Impedance matching, Microwave absorption, Multiferroic",

author = "Yue Huang and Jindou Ji and Yan Chen and Xiang Li and Jun He and Xingwang Cheng and Shuli He and Ying Liu and Jiping Liu",

note = "Publisher Copyright: {\textcopyright} 2019",

year = "2019",

month = apr,

day = "15",

doi = "10.1016/j.compositesb.2019.01.008",

language = "English",

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Huang, Y, Ji, J, Chen, Y, Li, X, He, J, Cheng, X, He, S, Liu, Y & Liu, J 2019, ' Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching ', Composites Part B: Engineering, vol. 163, pp. 598-605. https://doi.org/10.1016/j.compositesb.2019.01.008

Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching . / Huang, Yue; Ji, Jindou; Chen, Yan et al.
In: Composites Part B: Engineering, Vol. 163, 15.04.2019, p. 598-605.

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

TY - JOUR

T1 - Broadband microwave absorption of Fe 3 O 4 –BaTiO 3 composites enhanced by interfacial polarization and impedance matching

AU - Huang, Yue

AU - Ji, Jindou

AU - Chen, Yan

AU - Li, Xiang

AU - He, Jun

AU - Cheng, Xingwang

AU - He, Shuli

AU - Liu, Ying

AU - Liu, Jiping

PY - 2019/4/15

Y1 - 2019/4/15

N2 - Nanocomposites composed of magnetic and dielectric materials are suitable for high performance electromagnetic wave absorbers due to their great impedance matching. In this work, the microwave absorbing properties of Fe 3 O 4 –BaTiO 3 composites were investigated over a frequency range of 1–18 GHz Fe 3 O 4 –BaTiO 3 composites present significantly enhanced microwave absorption performance compared with BaTiO 3 . For the optimal Fe 3 O 4 (x)–BaTiO 3 (1-x) (x = 0.8) composite, the reflection loss (RL) could reach −47.4 dB at 12.26 GHz with a matching thickness of 2.2 mm, the bandwidth below −10 dB is 5.0 GHz, which is six times higher than BaTiO 3 . The broadened absorption bandwidth is resulted from better impedance matching. This results show that Fe 3 O 4 –BaTiO 3 composites can be used as an excellent microwave absorption materials with strong absorption and broad bandwidth.

AB - Nanocomposites composed of magnetic and dielectric materials are suitable for high performance electromagnetic wave absorbers due to their great impedance matching. In this work, the microwave absorbing properties of Fe 3 O 4 –BaTiO 3 composites were investigated over a frequency range of 1–18 GHz Fe 3 O 4 –BaTiO 3 composites present significantly enhanced microwave absorption performance compared with BaTiO 3 . For the optimal Fe 3 O 4 (x)–BaTiO 3 (1-x) (x = 0.8) composite, the reflection loss (RL) could reach −47.4 dB at 12.26 GHz with a matching thickness of 2.2 mm, the bandwidth below −10 dB is 5.0 GHz, which is six times higher than BaTiO 3 . The broadened absorption bandwidth is resulted from better impedance matching. This results show that Fe 3 O 4 –BaTiO 3 composites can be used as an excellent microwave absorption materials with strong absorption and broad bandwidth.

KW - Hydrothermal method

KW - Impedance matching

KW - Microwave absorption

KW - Multiferroic

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U2 - 10.1016/j.compositesb.2019.01.008

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SN - 1359-8368

VL - 163

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JO - Composites Part B: Engineering

JF - Composites Part B: Engineering

ER -

Huang Y, Ji J, Chen Y, Li X, He J, Cheng X et al. Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching Composites Part B: Engineering. 2019 Apr 15;163:598-605. doi: 10.1016/j.compositesb.2019.01.008

Broadband microwave absorption of Fe ₃ O ₄ –BaTiO ₃ composites enhanced by interfacial polarization and impedance matching

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