Microwave absorption properties of MWCNT-SiC composites synthesized via a low temperature induced reaction

• DOI: 10.1063/1.3630126
• Publication Date: 2011-08-19T07:29:23Z
• Authors: Hui-Ling Zhu; Yu-Jun Bai; Rui Liu; Ning Lun; Yong-Xin Qi; Fu-Dong Han; Xiang-Lin Meng; Jian-Qiang Bi; Run-Hua Fan
• Keywords: Reflection loss

The composites containing SiC and multiwalled carbon nanotubes (MWCNTs) were synthesized via the reaction of Si powders MWCNTs induced by that Na sulfur. MWCNT-SiC prepared at 600 °C exhibit excellent microwave absorbing properties, which reach a minimum reflection loss -38.7 dB frequency around 12.9 GHz. properties are bound up with high yield porous spheres comprised nanocrystals. structure, density stacking faults in crystallites, interfaces between spheres, grain boundaries nanocrystals, as well interfacial polarizations aroused therefrom, responsible for properties.