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The microwave absorbing properties of La0.8K0.2MnO3 synthesized by sol–gel method

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Abstract

In this paper, La0.8K0.2MnO3 powder was synthesized by sol–gel method. The phase structure, morphology of the composite have been characterized by X-ray diffraction, field emission scanning electron microscope. Testing of the microwave absorption was carried out by using the network analyzer Agilent HP-8722ES at room temperature. The results show that the La0.8K0.2MnO3 powder has excellent absorbing property. The maximum reflection loss is −33.51 dB at about 12.22 GHz with a thickness of only 1.25 mm. Moreover, the bandwidth with the reflection loss above 10 dB reaches about 2.1 GHz.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, and Tianjin Key Laboratory of Composite and Functional Materials, Tianjin University, Tianjin, 300072, China

    Shuang Zhao, Ji Zheng, Biao Shi & Zhongyi Liu

  2. Beijing Institute of Aerial Materials, China Aviation Industry Corporation, Beijing, 100095, China

    Lihua He

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  1. Shuang Zhao
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  2. Ji Zheng
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  3. Biao Shi
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  4. Lihua He
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  5. Zhongyi Liu
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Correspondence to Ji Zheng.

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Zhao, S., Zheng, J., Shi, B. et al. The microwave absorbing properties of La0.8K0.2MnO3 synthesized by sol–gel method. J Mater Sci: Mater Electron 28, 1168–1173 (2017). https://doi.org/10.1007/s10854-016-5642-7

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  • DOI: https://doi.org/10.1007/s10854-016-5642-7

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