Study on Electromagnetic Wave Absorption performance of Dendritic-like Co

Autor: Lirui Wang, Xuecong Zhang, Fuli Yang, Xingzhe Hou, Youjiang Li, Miao Yu
Rok vydání: 2020
Předmět:
Zdroj: IOP Conference Series: Materials Science and Engineering. 729:012038
ISSN: 1757-899X
1757-8981
DOI: 10.1088/1757-899x/729/1/012038
Popis: Dendritic-like Co particles consisting of leaf-shaped nano-units were successfully synthesized by chemical reduction method. The absorbing particles have abundant multi-stage branches. Since the crystal structure, size and special morphology have an important influence on the microwave absorption performance, the X-ray diffractometer, scanning electron microscope, vibration sample magnetic measurement and vector network analysis are used to characterize the dendritic Co. Absorbing mechanism was analyzed systematically. The nano-sized, multi-stage branches, porous structures and rough surfaces of the prepared particles all contribute to the penetration, scattering and attenuation of EM waves. Hence the composite, in the test band, especially in the S-band (2-4 GHz), presents excellent microwave absorption properties.
Databáze: OpenAIRE