CoNi@SiO2@TiO2 and CoNi@Air@TiO2 Microspheres with Strong Wideband Microwave Absorption

CoNi@SiO2@TiO2 and CoNi@Air@TiO2 Microspheres with Strong Wideband Microwave Absorption

The synthesis of CoNi@SiO2@TiO2 core–shell and CoNi@Air@TiO2 yolk–shell microspheres is reported for the first time. Owing to the magnetic–dielectric synergistic effect, the obtained CoNi@SiO2@TiO2 microspheres exhibit outstanding microwave absorption performance with a maximum reflection loss of −5...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-01, Vol.28 (3), p.486-490
Hauptverfasser: Liu, Qinghe, Cao, Qi, Bi, Han, Liang, Chongyun, Yuan, Kaiping, She, Wen, Yang, Yongji, Che, Renchao
Format: Artikel
Sprache:eng
Schlagworte:
core-shell
microspheres
microwave absorption
yolk-shell
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Zusammenfassung:The synthesis of CoNi@SiO2@TiO2 core–shell and CoNi@Air@TiO2 yolk–shell microspheres is reported for the first time. Owing to the magnetic–dielectric synergistic effect, the obtained CoNi@SiO2@TiO2 microspheres exhibit outstanding microwave absorption performance with a maximum reflection loss of −58.2 dB and wide bandwidth of 8.1 GHz (8.0–16.1 GHz, < −10 dB).
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201503149