Air@rGO€Fe3O4 microspheres with spongy shells: self-assembly and microwave absorption performance

2016 ◽  
Vol 4 (44) ◽  
pp. 10518-10528 ◽  
Author(s):  
Qiang Zeng ◽  
Xu-hai Xiong ◽  
Ping Chen ◽  
Qi Yu ◽  
Qi Wang ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Microwave Absorption ◽  
Self Assembly ◽  
Calcination Process ◽  
Emulsion Technique ◽  
Microwave Absorbing Properties ◽  
Absorption Performance ◽  
Microwave Absorbing ◽  
Fe3o4 Microspheres ◽  
Microwave Absorption Performance

Novel Air@rGO€Fe3O4 microspheres with excellent microwave absorbing properties and corrosion resistance were synthesized by a W/O emulsion technique followed by a calcination process.

scholarly journals Facile fabrication of ultra-light and highly resilient PU/RGO foams for microwave absorption

RSC Advances ◽  
2017 ◽  
Vol 7 (66) ◽  
pp. 41321-41329 ◽  
Author(s):  
Chunmei Zhang ◽  
Hua Li ◽  
Zhangzhi Zhuo ◽  
Roberto Dugnani ◽  
Chongyang Sun ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Dip Coating ◽  
Composite Foams ◽  
Coating Method ◽  
Facile Fabrication ◽  
Absorption Performance ◽  
Microwave Absorbing ◽  
Dip Coating Method ◽  
Microwave Absorption Performance

Ultra-light and highly resilient PU/RGO foams are fabricated by a simple dip-coating method. The composite foams exhibit excellent microwave absorption performance and can be used as good microwave absorbing commercial cladding materials.

Morphology-controlled synthesis and excellent microwave absorption performance of ZnCo2O4 nanostructures via a self-assembly process of flake units

Nanoscale ◽  
2019 ◽  
Vol 11 (6) ◽  
pp. 2694-2702 ◽  
Author(s):  
Xiao Li ◽  
Lei Wang ◽  
Wenbin You ◽  
Linshen Xing ◽  
Xuefeng Yu ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Self Assembly ◽  
Effective Bandwidth ◽  
Controlled Synthesis ◽  
Assembly Process ◽  
Absorption Performance ◽  
Microwave Absorption Performance

Cabbage-like ZnCo2O4 with abundant flakes possess a maximum RL value of −36.33 dB and the effective bandwidth of 5.11 GHz.

A simple hydrothermal process to grow MoS2 nanosheets with excellent dielectric loss and microwave absorption performance

2016 ◽  
Vol 4 (28) ◽  
pp. 6816-6821 ◽  
Author(s):  
Xiaohui Liang ◽  
Xingmiao Zhang ◽  
Wei Liu ◽  
Dongming Tang ◽  
Baoshan Zhang ◽  
...  
Keyword(s):  
Dielectric Loss ◽  
Hydrothermal Method ◽  
Microwave Absorption ◽  
Hydrothermal Process ◽  
Two Dimensional ◽  
Mos2 Nanosheets ◽  
Absorption Performance ◽  
Microwave Absorbing ◽  
Microwave Absorption Performance ◽  
Simple Hydrothermal Process

In this study, two-dimensional MoS2 nanosheets synthesized by a hydrothermal method were firstly investigated for microwave absorbing performance.

In-situ synthesis of layered coal-based carbon/Co porous magnetic composites with promising microwave absorption performance

2021 ◽  
Author(s):  
Yang Fan ◽  
Ximing Zhang ◽  
Jingyu Wang ◽  
Hengdong Ren ◽  
Yin Liu ◽  
...  
Keyword(s):  
Phase Composition ◽  
Chemical Composition ◽  
Microwave Absorption ◽  
In Situ Synthesis ◽  
Magnetic Composites ◽  
Microwave Absorbing Properties ◽  
In Situ Method ◽  
Absorption Performance ◽  
Microwave Absorption Performance

In this paper, light and ultra-thin coal-based carbon cobalt composites (CBC/Co) with excellent microwave absorbing properties were synthesized by using an in-situ method from anthracite. Phase composition and chemical composition...

A novel sponge-like 2D Ni/derivative heterostructure to strengthen microwave absorption performance

2018 ◽  
Vol 20 (45) ◽  
pp. 28623-28633 ◽  
Author(s):  
Biao Zhao ◽  
Xi Zhang ◽  
Jiushuai Deng ◽  
Zhongyi Bai ◽  
Luyang Liang ◽  
...  
Keyword(s):  
Magnetic Anisotropy ◽  
Microwave Absorption ◽  
Complex Permeability ◽  
Two Dimensional ◽  
Microwave Absorbing Materials ◽  
Absorbing Materials ◽  
Absorption Performance ◽  
Microwave Absorbing ◽  
Microwave Absorption Performance

One of the major hurdles of Ni-based microwave absorbing materials is the preparation of two-dimensional (2D) Ni flakes that can improve magnetic anisotropy to tune complex permeability.

scholarly journals Effect of Reaction Time on Microwave Absorption Properties of Fe3O4 Hollow Spheres Synthesized via Ostwald Ripening

Materials ◽  
2019 ◽  
Vol 12 (18) ◽  
pp. 2921 ◽  
Author(s):  
Wei Huang ◽  
Yujiang Wang ◽  
Shicheng Wei ◽  
Bo Wang ◽  
Yi Liang ◽  
...  
Keyword(s):  
Reaction Time ◽  
Microwave Absorption ◽  
Ostwald Ripening ◽  
Impedance Matching ◽  
Hollow Spheres ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Magnetic Structures ◽  
Absorption Performance ◽  
Microwave Absorption Performance

Hollow magnetic structures have great potential to be used in the microwave absorbing field. Herein, Fe3O4 hollow spheres with different levels of hollowness were synthesized by the hydrothermal method under Ostwald ripening effect. In addition to their microstructures, the microwave absorption properties of such spheres were investigated. The results show that the grain size and hollowness of Fe3O4 hollow spheres both increase as the reaction time increases. With increasing hollowness, the attenuation ability of electromagnetic wave of Fe3O4 spheres increases first and then decreases, finally increases sharply after the spheres break down. Samples with strong attenuation ability can achieve good impedance matching, which it does preferentially as the absorber thickness increases. Fe3O4 hollow spheres show the best microwave absorption performance when the reaction time is 24 h. The minimum reflection loss (RL (min)) can reach −40 dB, while the thickness is only 3.2 mm.

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