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Multilayer intercalation: MXene/cobalt ferrite electromagnetic wave absorbing two-dimensional materials

Swapnalin, J and Koneru, B and Banerjee, P and Natarajan, S and Franco, Jr (2022) Multilayer intercalation: MXene/cobalt ferrite electromagnetic wave absorbing two-dimensional materials. In: Journal of Physics and Chemistry of Solids, 168 .

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Official URL: https://doi.org/10.1016/j.jpcs.2022.110797


In this study, ferrimagnetic solid phase cobalt ferrite (CoFe2O4) intercalated into two-dimensional (2D) MXene (Ti3C2Tx) flakes was obtained by hydrothermal synthesis. A harmonium bellows structure with a multilayer spacing of 0.93 nm was retained up to 30 wt% loading of the magnetic CoFe2O4 phase. The presence of nanoparticles and the integrity of the 2D structure indicated metallic behavior with similar vibrational bands to MXene. The presence of CoFe2O4 nanoparticles resulted in a complex polarization mechanism that followed the modified Cole–Cole model. The anisotropic nature of the spinel ferrite increased the amount of magnetic field required to switch the magnetic moments with higher molar susceptibility. This facile method for the hydrothermal synthesis of Ti3C2Tx@CoFe2O4 with outstanding electromagnetic properties has great potential as electromagnetic wave absorbing material.

Item Type: Journal Article
Publication: Journal of Physics and Chemistry of Solids
Publisher: Elsevier Ltd
Additional Information: The copyright for this article belongs to the Elsevier Ltd.
Keywords: Circular waveguides; Cobalt compounds; Ferrite; Hydrothermal synthesis; Iron compounds; Magnetic moments; Multilayers; Nanoparticles, Cobalt ferrites; EM wave absorbing material; Ferrimagnetics; Hydrothermal methods; Mxene composite; Solid phasis; Solid-phase; Spinel ferrites; Two-dimensional materials; Wave absorbing materials, Electromagnetic waves
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 22 Jun 2022 06:55
Last Modified: 22 Jun 2022 06:55
URI: https://eprints.iisc.ac.in/id/eprint/73914

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