Sodium oxalate-induced hydrothermal synthesis of wood-texture-column-like NiCo2O4 with broad bandwidth electromagnetic wave absorption performance

[Display omitted] •NiCo2O4 with wood texture column-like structure was synthesized for the first time.•EMW absorption is proportional to aspect ratio of column structure and oxygen vacancy.•The effective absorption bandwidth is 7.10 GHz at 2.20 mm and RLmax is −49.78 dB.•Dipole polarization dominate...

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Veröffentlicht in:	Journal of colloid and interface science 2021-10, Vol.600, p.49-57
Hauptverfasser:	Chang, Qing, Liang, Hongsheng, Shi, Bin, Wu, Hongjing
Format:	Artikel
Sprache:	eng
Schlagworte:	Broadband absorption Dielectric loss Morphology manipulation NiCo2O4 Sodium oxalate
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