La0.67Sr0.33MnO3多晶的微波吸收性能

Omega: Jurnal Fisika dan Pendidikan Fisika Pub Date : 2019-07-06 DOI:10.31758/OMEGAJPHYSPHYSEDUC.V5I1.22

W. Laksanawati, F. Burhendi, A. Kusdiwelirawan

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引用次数: 0

摘要

采用溶胶-凝胶法成功合成了样品\ce {La_{0.67}Sr_{0.33}MnO3}， XRD结果表明，样品形成了具有菱形晶体结构的单相。扫描电镜(SEM)结果表明，颗粒呈团聚状，而红外光谱(FTIR)结果表明，颗粒形成了官能团\ce {Mn-O-Mn}。样品对微波的吸收能力仍低于在-26.05美元dB处的反射损耗值。

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Microwave Absorbing Properties of Polycrystalline La0.67Sr0.33MnO3

Sample \ce {La_{0.67}Sr_{0.33}MnO3} has been successfully synthesized by sol gel method shown by the results of XRD formed a single phase with rhombohedral crystal structure. The results of SEM showed particles are agglomerated yet functional groups \ce {Mn-O-Mn} has been formed based on the results of FTIR. The ability of the sample to absorb the microwaves still lower that the value of reflection loss obtained at $-26.05$ dB.

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Omega: Jurnal Fisika dan Pendidikan Fisika

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