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Open Access Microwave absorption performance of barium hexaferrite multi-nanolayers

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In this work, the microwave absorption performance of barium hexaferrite multi-nanolayers synthesized by aceramic method was investigated. The microwave absorption performances of BaFe12O19 and BaCoZnFe10O19 multi-nanolayers with thicknesses of 25, 50, 75, 100, 200, 300, 500, and 1000 nm were evaluated using a vector network analyser (VNA) at room temperature to characterize the reflected signal (S 11) and transmitted signal (S 21) in the frequency range of 7–13 GHz. The microwave absorption performance of the multilayer structure was enhanced due to the combination of nanolayers. The optimal absorption performance was achieved with a reflection loss of less than –30 dB (99.9% absorption) for a layer thicknesses of less than 500 nm.
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Keywords: BaCoZnFe10O19; BaFe12O19; MICROWAVE ABSORPTION; MULTI-NANOLAYER; REFLECTION LOSS

Document Type: Research Article

Publication date: August 1, 2020

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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