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Synthesis of LiCoMgO: a promising material with high dielectric and microwave absorption performance

Journal of Materials Science: Materials in Electronics, ISSN: 1573-482X, Vol: 30, Issue: 17, Page: 15935-15942
2019
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Article Description

In this work, we initially report dielectric and microwave absorption properties of LiCoMgO with different sintering temperatures. Further, we characterize and analyze phase composition and microstructure of LiCoMgO, which was fabricated using a solid-state reaction. The results show that dielectric properties of LiCoMgO composites can be controlled by shifting sintering temperature. The dielectric properties of LiCoMgO composites are ideal at 900 °C and remain stable with the extension of sintering time. The real and imaginary part of this composite is approximate 16 and 4, respectively. The calculated reflection loss of the LiCoMgO composites exhibited a remarkable microwave absorption performance. The minimum reflection loss value of the LiCoMgO composites is − 50.1 dB at a thickness of 2.1 mm. Consequently, this study opens up new way for absorbent, expands the applications of LiCoMgO into new areas beyond active cathode material, and will probably attract the attention of materials scientist.

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