Microwave absorbing properties of La0.7Sr0.3MnO3 composites with negative magnetic susceptibility

R. B. Yang, C. Y. Tsay, W. F. Liang, C. K. Lin

研究成果: 雜誌貢獻文章

10 引文 (Scopus)

摘要

The complex permittivity and permeability of La0.7Sr0.3MnO3La0.7Sr0.3MnO3 (LSMO)-epoxy composite absorbers are investigated in the microwave ranges from 2 to 18 GHz by transmission/reflection method. A negative magnetic susceptibility of perovskite oxides has been obtained in the frequency range of 4–18 GHz. By the use of the cavity perturbation technique, the negative magnetic susceptibility for 7.5–14 GHz is reconfirmed. For LSMO-epoxy composite with 80 wt % fillers, the maximum reflection loss can reach 23 dB at 10.5 GHz and the absorbing bandwidth above 10 dB is 1.5 GHz with 2 mm thickness.
原文英語
頁數1
期刊Journal of Applied Physics
107
發行號9
DOIs
出版狀態已發佈 - 2010

指紋

magnetic permeability
microwaves
composite materials
fillers
absorbers
permeability
frequency ranges
permittivity
bandwidth
perturbation
cavities
oxides

引用此文

Microwave absorbing properties of La0.7Sr0.3MnO3 composites with negative magnetic susceptibility. / Yang, R. B.; Tsay, C. Y.; Liang, W. F.; Lin, C. K.

於: Journal of Applied Physics, 卷 107, 編號 9, 2010.

研究成果: 雜誌貢獻文章

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abstract = "The complex permittivity and permeability of La0.7Sr0.3MnO3La0.7Sr0.3MnO3 (LSMO)-epoxy composite absorbers are investigated in the microwave ranges from 2 to 18 GHz by transmission/reflection method. A negative magnetic susceptibility of perovskite oxides has been obtained in the frequency range of 4–18 GHz. By the use of the cavity perturbation technique, the negative magnetic susceptibility for 7.5–14 GHz is reconfirmed. For LSMO-epoxy composite with 80 wt {\%} fillers, the maximum reflection loss can reach 23 dB at 10.5 GHz and the absorbing bandwidth above 10 dB is 1.5 GHz with 2 mm thickness.",
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AU - Liang, W. F.

AU - Lin, C. K.

PY - 2010

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AB - The complex permittivity and permeability of La0.7Sr0.3MnO3La0.7Sr0.3MnO3 (LSMO)-epoxy composite absorbers are investigated in the microwave ranges from 2 to 18 GHz by transmission/reflection method. A negative magnetic susceptibility of perovskite oxides has been obtained in the frequency range of 4–18 GHz. By the use of the cavity perturbation technique, the negative magnetic susceptibility for 7.5–14 GHz is reconfirmed. For LSMO-epoxy composite with 80 wt % fillers, the maximum reflection loss can reach 23 dB at 10.5 GHz and the absorbing bandwidth above 10 dB is 1.5 GHz with 2 mm thickness.

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DO - http://dx.doi.org/10.1063/1.3337685

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

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