Abstract
Ti3C2Tx/NiZn ferrite composites were synthesized using a co-precipitation hydrothermal method, and further consolidated using electric current field-assisted sintering technology. Nano NiZn ferrites were inserted into the Ti3C2Tx interlayers with uniform coverage on their surfaces. The incorporation of MXenes promoted the sintering kinetics of the NiZn ferrite ceramics. The electrical conductivity increased by six orders of magnitude compared to pure NiZn ferrite ceramics at room temperature. The present work provides a potential way to develop a large family of dense MXenes/ferrite multiphase ceramics. The multiphase ceramics could be potentially used for the on-beam-line higher-order mode load in advanced particle accelerators.
Highlights
Spinel NiZn ferrites have been extensively studied because of their suitable magnetic properties, high Curie temperature, and good electromagnetic wave absorbing performance [1,2,3,4]
One of the most important applications of ferrites is as an on-beam-line higher-order mode (HOM) load in advanced particle accelerators [5,6]
The electromagnetic wave absorption materials employed in this area need to satisfy some harsh requirements, such as low vacuum out-gassing rate, appropriate direct-current (DC) electrical conductivity for charge drainage at low temperatures, good thermal conductivity, and wide-range-bandwidth microwave absorption [7]
Summary
Spinel NiZn ferrites have been extensively studied because of their suitable magnetic properties, high Curie temperature, and good electromagnetic wave absorbing performance [1,2,3,4]. The electromagnetic wave absorption materials employed in this area need to satisfy some harsh requirements, such as low vacuum out-gassing rate (high density), appropriate direct-current (DC) electrical conductivity for charge drainage at low temperatures, good thermal conductivity, and wide-range-bandwidth microwave absorption [7]. MXenes are prepared by etching away the A layer atoms from the corresponding ternary ceramics of MAX phases by hydrofluoric acid (HF), where “M” represents a transition metal, “A” is usually a III A or IVA element (such as Al, Si, Ge, or Ga), and “X” is C and/or N
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