Abstract

Co/C/Fe/C core–shell hierarchical flowers (CSHFs) with various compositions and surface morphologies were fabricated by hydrothermal–chemical vapor decomposition. Surface-dependent electromagnetic properties were investigated at 2–18 GHz. Due to the localized surface plasmon resonance and coupling, Co/C/Fe/C CSHFs with strawberry-like surface exhibit significantly enhanced permittivity, permeability, exchange resonances, and attenuation compared with Co HFs and Co/C/Fe/C CSHFs with compact particle film. Such performances enable Co/C/Fe/C CSHFs to become excellent absorbers with strong absorption, broad bandwidth, and light weight. This finding demonstrates that the surface and interface designs of plasmonic heterostructures are critical to improve microwave absorption properties for future application.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.