• MOF-derived porous Ni_1−xCo_x@Carbon composites with tuning nano-micro structure were successfully synthesized.

• Magnetic-dielectric synergy effect among the Ni_1−xCo_x@Carbon microspheres was confirmed by the off-axis electron holography technology.

• MOF-derived Ni@C microspheres displayed strong microwave absorption value of − 59.5 dB.

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中文翻译：

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MOF衍生的Ni 1-x Co x @碳，具有可调谐的纳米微结构，具有轻便和高效的电磁波吸收体的特性

• 成功合成了具有MOF的纳米微结构的多孔Ni ₁ - _x Co _x @Carbon复合材料。

• 通过离轴电子全息技术证实了Ni _{1- x} Co _x @碳微球之间的磁介电协同效应。

• 来自MOF的Ni @ C微球显示出-59.5 dB的强微波吸收值。

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