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

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

doi:10.1063/1.3337685

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

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

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

17 Citations (Scopus)

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.

Original language	English
Number of pages	1
Journal	Journal of Applied Physics
Volume	107
Issue number	9
DOIs	https://doi.org/10.1063/1.3337685
Publication status	Published - 2010

Access to Document

10.1063/1.3337685

http://scitation.aip.org/content/aip/journal/jap/107/9/10.1063/1.3337685

Cite this

@article{0e1bdbc5425c47fcab23b25ff83bff3f,

title = "Microwave absorbing properties of La0.7Sr0.3MnO3 composites with negative magnetic susceptibility",

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.",

author = "Yang, {R. B.} and Tsay, {C. Y.} and Liang, {W. F.} and Lin, {C. K.}",

year = "2010",

doi = "10.1063/1.3337685",

language = "English",

volume = "107",

journal = "Journal of Applied Physics",

issn = "0021-8979",

publisher = "American Institute of Physics",

number = "9",

}

TY - JOUR

T1 - Microwave absorbing properties of La0.7Sr0.3MnO3 composites with negative magnetic susceptibility

AU - Yang, R. B.

AU - Tsay, C. Y.

AU - Liang, W. F.

AU - Lin, C. K.

PY - 2010

Y1 - 2010

N2 - 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.

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.

U2 - 10.1063/1.3337685

DO - 10.1063/1.3337685

M3 - Article

SN - 0021-8979

VL - 107

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 9

ER -

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

Abstract

Access to Document

Fingerprint

Cite this