Synthesis and properties of magnetic multi-walled carbon nanotubes loaded with Fe4N nanoparticles
2017
Abstract High saturation magnetization (>90 emu/g) multi-walled carbon nanotubes (MWCNTs) and Fe 4 N nanoparticles composite were successfully synthesized by gas nitriding at 550 °C. Almost all Fe 4 N nanoparticles were evenly distributed inside the carbon nanotubes and formed a special composite microstructure. This composite microstructure shows excellent soft magnetic property, structural stability, and chemical stability at room temperature. The investigations of electromagnetic and microwave absorption performances indicate that microwave absorbing capacity of low frequency band of MWCNTs were greatly improved by addition of Fe 4 N nanoparticles.
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