Journal
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Volume 112, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2020.105008
Keywords
MXene; Hierarchical structure; Microwave absorption property; Magnetic properties
Categories
Funding
- China Postdoctoral Science Foundation [2018M640775]
- National Natural Science Foundation of China [21905097]
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Delamination of the multiple layers in 2D MXenes is still a crucial challenge because this process generates single-layer nanosheets and extends specific surface area, which makes MXenes promising substrate to carry matters and endow them with enhanced dielectric loss. In present work, novel multilayered composites of Co0.2Ni0.4Zn0.4Fe2O4 nanoparticles (CNZF) attached to MXenes (Ti3C2Tx/CNZE) with various compositions were synthesized by hydrothermal process. Owing to the nano-sized ferrites that are helpful for the delamination of layered structure and improved anisotropic energy, the multiple scattering and dielectric loss of Ti3C2Tx/CNZE are greatly boosted. Hence, the Ti3C2Tx/CNZE composites showcased a prominent microwave attenuation property, with a minimum reflection loss value of -58.4 dB at 6.2 GHz. Simultaneously, the effective bandwidth is at lower frequency region of 3.8-6.0 GHz associated with an absorber thickness of 4.2 mm. The present work provides a strategy to construct novel 2D absorbing materials by allowing ultrasmall magnetic nanoparticles to decorate on the interlayers of hierarchical structure.
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