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- Title
Preparation and microwave absorbing performance of TiO/ NiFeO /hollow glass microsphere composite with core-shell structure.
- Authors
Cheng, Bo; Chen, Xingliang; Wang, Xingwei; Qiu, Hua; Qi, Shuhua
- Abstract
Microwave absorbing TiO/NiFeO/HGM composite with core-shell structure was prepared via a facile two-step method. The obtained composite was then investigated by SEM, TEM, XRD, XPS, VSM and a vector network analyzer. The results indicated that HGM was completely coated by NiFeO nanospheres after the hydrothermal reaction, and TiO/NiFeO/ HGM composite with core-shell structure was also successfully synthesized. The composite exhibited excellent magnetic performance and microwave absorption capacity. Measurement of VSM suggested that the saturated magnetization values (Ms) of TiO/NiFeO/HGM was 27.79 emu.g. When the frequency was 10.3 GHz, the R value of TiO/NiFeO/HGM composite with the thickness of 2.6 mm could reach up to −20 dB. The obtained composite exhibited excellent microwave absorbing properties, which could be used as a promising EM wave absorber.
- Subjects
TITANIUM dioxide; ELECTROMAGNETIC interference; MAGNETIC materials; SOL-gel processes; DIETHYLENETRIAMINE; SCANNING electron microscopy
- Publication
Journal of Materials Science: Materials in Electronics, 2017, Vol 28, Issue 11, p7575
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-017-6449-x