Table 3 Summary of the representative core/shell structured carbon-based MAMs reported in recent papers.

From: Water-assisted and controllable synthesis of core/shell/shell structured carbon-based nanohybrids, and their magnetic and microwave absorption properties

Sample

Optimal RL value (dB)

Frequency range (GHz) (RL < −10 dB)

Frequency range (GHz) (RL < −20 dB)

Reference

Fe/MWCNTsa

−39

1.0–6.0

2.04–3.47

73

Fe3O4/C

−27.9

5.0–18.0

4.5–6.5

74

Fe3O4/TiO2

−20.6

2.5–18.0

5.0–9.0

75

Fe3O4/CNTs

−41.6

3.0–11.4

4.4–7.5

76

Fe/HCNTs

−43.4

2.0–18.0

6.67–9.17, 15.83–18.0

77

Fe/G

−45

4.2–18.0

5.0–17.8

78

Fe/MnO2-G

−17.5

5.0–18.0

79

ZnO/Fe/Fe3O4/G

−38.4

5.0–18.0

5.9–15.2

80

Fe/Fe5C2/CNTBs (C-400)

−15.0

7.7–18.0

This work

Fe/Fe3C/HCNTs (C-450)

−46.3

1.7–18.0

1.8–3.96.7–18.0

This work

Fe/Fe3C/CCNSs (C-600)

−37.1

8.3–18.0

8.8–18.0

This work

  1. Fe/multiwalled CNTsa.