Improving impedance matching of flaky carbonyl iron based on the surface modification by binary coupling agents
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS(2021)
Abstract
In this paper, the impedance matching of the flaky carbonyl iron was improved by surface modification with binary coupling agents. The microstructure, phase and electromagnetic parameters were detected by Scanning electron microscope (SEM), X-ray diffraction (XRD) and Agilent vector network analyzer, respectively. After binary coupling agent applied, the shape and particle size of the flaky carbonyl iron particle (CIP) have changed significantly, whereas the phase remained α -Fe phase. On the other hand, with the addition of binary coupling agents, the complex permittivity of flaky CIP is reduced, which is beneficial to impedance matching. The doping with 2wt
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Key words
flaky carbonyl iron,impedance matching,surface modification
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