TY - GEN
T1 - Hydrothermal assembly of NiCoAI/Ti3C2TxMXene composites for tunable microwave absorption
AU - Xu, Tongtong
AU - Li, Jun
AU - Shen, Zhenyu
AU - Xing, Wenwen
AU - Zhou, Zhongxiang
N1 - Publisher Copyright:
© 2021 IEEE.
PY - 2021
Y1 - 2021
N2 - Herein, a new type tunable microwave absorber of NiCoAl/Ti3C2Tx MXene was proposed and synthesized via a simple hydrothermal method. The scanning electron microscopy confirmed that the NiCoAl is of high quality with flower-like structure uniformly bonded on the laminar Ti3C2Tx surface. The dielectric properties of the samples in X-band frequency were studied, and their microwave absorption properties and mechanisms were investigated. Benefit from the synergistic effects of improved interfacial polarization, defect dipole polarization and optimized impedance matching, NiCoAl/Ti3C2T x MXene composites display enhanced microwave absorption. Under a matching thickness of only 1.6 mm, the minimum reflection loss of the absorbers reaches -27.4 dB, and the absorption bandwidth achieves 2.5 GHz. Besides, by adjusting the thickness from 1.4 to 1.8 mm, the effective bandwidth can cover the total X-band. These results demonstrate that the NiCoAl/Ti3C2Tx composites have potentials for both tunable dielectric constant and high-performance microwave absorption.
AB - Herein, a new type tunable microwave absorber of NiCoAl/Ti3C2Tx MXene was proposed and synthesized via a simple hydrothermal method. The scanning electron microscopy confirmed that the NiCoAl is of high quality with flower-like structure uniformly bonded on the laminar Ti3C2Tx surface. The dielectric properties of the samples in X-band frequency were studied, and their microwave absorption properties and mechanisms were investigated. Benefit from the synergistic effects of improved interfacial polarization, defect dipole polarization and optimized impedance matching, NiCoAl/Ti3C2T x MXene composites display enhanced microwave absorption. Under a matching thickness of only 1.6 mm, the minimum reflection loss of the absorbers reaches -27.4 dB, and the absorption bandwidth achieves 2.5 GHz. Besides, by adjusting the thickness from 1.4 to 1.8 mm, the effective bandwidth can cover the total X-band. These results demonstrate that the NiCoAl/Ti3C2Tx composites have potentials for both tunable dielectric constant and high-performance microwave absorption.
KW - NiCoAl/Ti3C2TxMXene
KW - X-band
KW - microwave absorption
KW - tunable
UR - https://www.scopus.com/pages/publications/85129438393
U2 - 10.1109/ISAPE54070.2021.9752793
DO - 10.1109/ISAPE54070.2021.9752793
M3 - 会议稿件
AN - SCOPUS:85129438393
T3 - 13th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2021 - Proceedings
BT - 13th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2021 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 13th International Symposium on Antennas, Propagation and EM Theory, ISAPE 2021
Y2 - 1 December 2021 through 4 December 2021
ER -