Two-dimensional nanosheets of MoS2: a promising material with high dielectric properties and microwave absorption performance

Nanoscale ◽  
2015 ◽  
Vol 7 (38) ◽  
pp. 15734-15740 ◽  
Author(s):  
Ming-Qiang Ning ◽  
Ming-Ming Lu ◽  
Jing-Bo Li ◽  
Zhuo Chen ◽  
Yan-Kun Dou ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Microwave Absorption ◽  
Reflection Loss ◽  
Promising Material ◽  
Two Dimensional ◽  
Wide Bandwidth ◽  
Absorption Performance ◽  
High Dielectric ◽  
Microwave Absorption Performance ◽  
Minimum Reflection Loss

MoS2 nanosheets (MoS2-NS) exhibit a minimum reflection loss of −38.42 dB and a wide bandwidth with effective attenuation (<−10 dB) up to 4.1 GHz at a thickness of 2.4 mm.

Efficient microwave traps with markedly enhanced interfacial polarization and impedance matching enabled by dual-shelled, dual-cavity magnetic@dielectric hollow nanospheres

2020 ◽  
Vol 8 (46) ◽  
pp. 16489-16497
Author(s):  
Jiasong Hua ◽  
Wenjun Ma ◽  
Xiaoyun Liu ◽  
Qixin Zhuang ◽  
Zeyang Wu ◽  
...  
Keyword(s):  
Microwave Absorption ◽  
Reflection Loss ◽  
Impedance Matching ◽  
Interfacial Polarization ◽  
Hollow Nanospheres ◽  
Absorption Performance ◽  
Microwave Absorption Performance ◽  
Magnetic Dielectric ◽  
Minimum Reflection Loss

Dual-shelled, dual-cavity Fe3O4@TiO2 hollow nanospheres exhibit an outstanding microwave absorption performance with a minimum reflection loss of −60.17 dB.

scholarly journals Excellent microwave absorption properties by tuned electromagnetic parameters in polyaniline-coated Ba0.9La0.1Fe11.9Ni0.1O19/reduced graphene oxide nanocomposites

RSC Advances ◽  
2017 ◽  
Vol 7 (58) ◽  
pp. 36433-36443 ◽  
Author(s):  
Juhua Luo ◽  
Yue Zuo ◽  
Pan Shen ◽  
Zhu Yan ◽  
Kang Zhang
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Microwave Absorption ◽  
Reflection Loss ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
Reduced Graphene ◽  
Absorption Performance ◽  
Microwave Absorption Performance ◽  
Minimum Reflection Loss

The obvious enhancement of microwave absorption performance of Ba0.9La0.1Fe11.9Ni0.1O19/reduced graphene oxide/polyaniline ternary nanocomposites in 2–18 GHz was observed. The minimum reflection loss can reach −49.1 dB with thickness of 1.9 mm.

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.

Ni-decorated SiC powders: Enhanced high-temperature dielectric properties and microwave absorption performance

2013 ◽  
Vol 237 ◽  
pp. 309-313 ◽  
Author(s):  
Jie Yuan ◽  
Hui-Jing Yang ◽  
Zhi-Ling Hou ◽  
Wei-Li Song ◽  
Hui Xu ◽  
...  
Keyword(s):  
High Temperature ◽  
Dielectric Properties ◽  
Microwave Absorption ◽  
Absorption Performance ◽  
Microwave Absorption Performance

scholarly journals High-efficiency and ultra-thin electromagnetic wave absorption xAl2O3-(1-x)Sr0.85Gd0.15TiO3 ceramics in X-band

2020 ◽  
Author(s):  
Hui Xie ◽  
Chaoqun Yang ◽  
Yingying Zhou ◽  
Zhaowen Ren ◽  
Ping Liu
Keyword(s):  
Microwave Absorption ◽  
Reflection Loss ◽  
High Efficiency ◽  
Impedance Matching ◽  
Frequency Dispersion ◽  
Interfacial Polarization ◽  
Peak Frequency ◽  
Microwave Absorbing Materials ◽  
Absorption Performance ◽  
Microwave Absorption Performance

Abstract xAl2O3-(1-x)Sr0.85Gd0.15TiO3(x=0.2, 0.3, 0.4, 0.5) ceramics were fabricated by hot-press sintering. Their morphology, phase composition, conductivity, dielectric properties as well as microwave absorption performance were examined by scanning electron microscopy (SEM), X-ray diffraction (XRD), multifunction digital four-probe meter and vector network analysis, respectively. The microwave absorption of as-prepared xAl2O3-(1-x)Sr0.85Gd0.15TiO3 ceramics demonstrates excellent microwave absorbability. It is unexpectedly found that with a thickness of only 0.346 mm, xAl2O3-(1-x)Sr0.85Gd0.15TiO3 (x=0.2) ceramic exhibits an absorption bandwidth of 3.7 GHz (8.7-12.4 GHz), being consequential to reflection loss less than -10 dB (over 90% of microwave absorption). It is as well discovered that the minimum reflection loss and absorption peak frequency of xAl2O3-(1-x)Sr0.85Gd0.15TiO3 (x=0.3) with a thickness of 0.436 mm were -45.43 dB and 11.3 GHz, respectively. The prominent microwave absorption performance of the ceramic with such a thin thickness can be attributed to strong interfacial polarization, dielectric frequency dispersion, and good electromagnetic impedance matching. It indicates that the xAl2O3-(1-x)Sr0.85Gd0.15TiO3 ceramics with appropriate Al2O3 mass fraction and thickness showing good potential for effective microwave absorbing materials.

Sign in / Sign up

Export Citation Format

Share Document