Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 511, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2020.166961
Keywords
MoS2/Ni powders; Double loss; Electromagnetic parameters; Microwave absorption property
Funding
- Natural Science Basis Research Plan in Shaanxi Province of China [2019JQ-853]
- PHD Start-up Fund of XPU [BS1615]
- Young Talent fund of University Association for Science and Technology in Shaanxi, China [20170521]
- Shaanxi Provincial Education Department [18JK0353]
- Scientific and Technological Plan Project of Xi'an Science and Technology Bureau [2019217114GXRC007CG008GXYD7.6, 201805030YD8CG14(14)]
- Science and Technology Guiding Project of China Textile Industry Association [2019045]
- Shaanxi Special Talents Support Plan
- National Natural Science Foundation of China [51802244]
- Shaanxi University Youth Outstanding Talents Support Plan
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Double-loss absorbers have attracted considerable attention due to their light weight, thin thickness, wide absorption bandwidth, and strong absorptivity. Herein, MoS2 was decorated with magnetic Ni particles by electroless plating process to fabricate a double loss MoS2/Ni absorbent. The MoS2/Ni powders were successfully prepared and the Ni particles were coated on the surface of MoS2. Changing the Ni content optimized not only the electromagnetic parameters but also the microwave absorption performance. Complex permittivity and permeability increased with increasing Ni content from 0 wt% to 20 wt%. The sample with MoS2-20 wt% Ni powders exhibited favorable absorption performance. For the mixture with a thickness of 2.0 mm, a frequency band range of below -10 dB reached over 9.0-11.8 GHz, with a minimum RL value of -22 dB at 10.3 GHz. Therefore, MoS2/Ni powders are expected to be a promising absorbent for thin and lightweight microwave-absorbing materials.
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