2D MoS2/graphene composites with excellent full Ku band microwave absorption

RSC Advances ◽  
2016 ◽  
Vol 6 (108) ◽  
pp. 106187-106193 ◽  
Author(s):  
Xiaoxia Wang ◽  
Wenling Zhang ◽  
Xuqiang Ji ◽  
Baoqin Zhang ◽  
Mingxun Yu ◽  
...  
Keyword(s):  
Dielectric Loss ◽  
Microwave Absorption ◽  
High Dielectric Loss ◽  
High Dielectric ◽  
Ku Band

2D MoS2/graphene composites were proved to be promising full Ku band MA materials due to their superb high dielectric loss.

A MOF-driven porous iron with high dielectric loss and excellent microwave absorption properties

2020 ◽  
Vol 31 (9) ◽  
pp. 6843-6854 ◽  
Author(s):  
Tongguang Zhu ◽  
Yong Sun ◽  
Yajing Wang ◽  
Hongna Xing ◽  
Xinyuan Li ◽  
...  
Keyword(s):  
Dielectric Loss ◽  
Microwave Absorption ◽  
Porous Iron ◽  
Absorption Properties ◽  
Microwave Absorption Properties ◽  
High Dielectric Loss ◽  
High Dielectric

High dielectric loss and microwave absorption behavior of multiferroic BiFeO 3 ceramic

2013 ◽  
Vol 39 (6) ◽  
pp. 7241-7246 ◽  
Author(s):  
Jie Yuan ◽  
Zhi-Ling Hou ◽  
Hui-Jing Yang ◽  
Yong Li ◽  
Yu-Qing Kang ◽  
...  
Keyword(s):  
Dielectric Loss ◽  
Microwave Absorption ◽  
High Dielectric Loss ◽  
Multiferroic Bifeo ◽  
High Dielectric

Software compensation to the hysteresis loops of samples with high dielectric loss and high linear capacitor

2001 ◽  
Vol 259 (1) ◽  
pp. 55-60 ◽  
Author(s):  
Chen Xiaogang ◽  
Yao Xi ◽  
Zhang Desheng ◽  
Zhang Liangying
Keyword(s):  
Dielectric Loss ◽  
Hysteresis Loops ◽  
High Dielectric Loss ◽  
Software Compensation ◽  
High Dielectric

Efficient Electromagnetic Wave Absorption of Porous CoO–Co@RGO Composites with Optimized Impedance Matching Derived from Metal-Organic Frameworks

NANO ◽  
2020 ◽  
Vol 15 (08) ◽  
pp. 2050104
Author(s):  
Ying Meng ◽  
Shibin Lu ◽  
Yaodong Wu ◽  
Zhenfa Zi ◽  
Yuan Ma ◽  
...  
Keyword(s):  
Magnetic Loss ◽  
Impedance Matching ◽  
Metal Organic Frameworks ◽  
Filler Loading ◽  
Absorption Bandwidth ◽  
Conduction Loss ◽  
High Dielectric Loss ◽  
Metal Organic ◽  
High Dielectric ◽  
Ku Band

In this study, we have successfully synthesized porous CoO–Co@RGO composites using GO and Co-based metal-organic frameworks (MOFs) as precursors. Due to particular structures and advantageous characteristics, the synthesized porous CoO–Co@RGO composites exhibit outstanding electromagnetic (EM) wave absorbing properties with a filler loading of 10[Formula: see text]wt.% in wax matrix. The maximum reflection loss (RL) of the prepared porous CoO–Co@RGO was [Formula: see text][Formula: see text]dB with 2.1[Formula: see text]mm thickness, and the effective absorption bandwidth as wide as 6.24[Formula: see text]GHz (11.76–18[Formula: see text]GHz), which covers the full Ku-band. Remarkably, the achieved all values of[Formula: see text]RL were under [Formula: see text][Formula: see text]dB with 1.0–5.0[Formula: see text]mm thickness, the corresponding to bandwidth range can be tuned to 13.84[Formula: see text]GHz (4.16–18[Formula: see text]GHz). The superior absorbing performance is attributed to suitable magnetic loss, high dielectric loss and large attenuation mainly caused by conduction loss and polarization relaxation.

Fabrication and radio frequency characterization of high dielectric loss tubule-based composites near percolation

1998 ◽  
Vol 84 (11) ◽  
pp. 6109-6113 ◽  
Author(s):  
S. L. Browning ◽  
J. Lodge ◽  
R. R. Price ◽  
J. Schelleng ◽  
P. E. Schoen ◽  
...  
Keyword(s):  
Dielectric Loss ◽  
Radio Frequency ◽  
High Dielectric Loss ◽  
High Dielectric

Percolating ion transport in binary mixtures with high dielectric loss

2006 ◽  
Vol 88 (21) ◽  
pp. 214103 ◽  
Author(s):  
U. Brohede ◽  
M. Strømme
Keyword(s):  
Dielectric Loss ◽  
Ion Transport ◽  
Binary Mixtures ◽  
High Dielectric Loss ◽  
High Dielectric

Impact of High-Dielectric-Loss Materials on the Microwave Field in EPR Experiments

1996 ◽  
Vol 118 (2) ◽  
pp. 173-188 ◽  
Author(s):  
Minoru Sueki ◽  
George A. Rinard ◽  
Sandra S. Eaton ◽  
Gareth R. Eaton
Keyword(s):  
Dielectric Loss ◽  
Microwave Field ◽  
High Dielectric Loss ◽  
High Dielectric ◽  
Epr Experiments

scholarly journals Synthesis and characterization of titanium dioxide doped nickel oxide dielectric materials

2021 ◽  
Vol 6 (1) ◽  
pp. 31-35
Author(s):  
Nurul Ainon Bakar ◽  
Muhammad Azwadi Sulaiman ◽  
Julie Juliewatty Mohamed
Keyword(s):  
Grain Size ◽  
Dielectric Loss ◽  
Nickel Oxide ◽  
Dielectric Materials ◽  
Solid State Reaction Method ◽  
Sem Analysis ◽  
Calcination Process ◽  
High Dielectric Loss ◽  
High Dielectric

Nickel oxide (NiO) belongs to the transition metal oxide family, having good dielectric constantwith the range of 103 – 105, but it has high dielectric loss. In this research, the effect of titaniumdioxide (TiO2) addition into NiO was investigated. Generally, TiO2 was used in the application ofelectrical ceramic, catalysts, electric conductors and chemical intermediates. Ni1-xTixO1+x wasprepared via solid-state reaction method with 6 different TiO2 compositions. The preparation startedwith the powder mixing process for 24 hours and followed by calcination process at 950 °C for 4hours. Then, the calcined powders were compacted into 6 mm pellet shape under pressure of 250MPa pressure. Three pellets were made for each TiO2 composition. Those pellets were sintered at1250 °C for 5 hours. XRD results showed that pure NiO at 0.01 and 0.02 mole % of TiO2compositions produced single NiO crystalline phase, while 0.03, 0.05 and 0.10 mol % of TiO2showed the TiO2, instead of NiO phases. SEM analysis showed that increasing TiO2 concentrationmake the grain size increase, with 0.02 mole % of TiO2 gave the largest grain size, shows that 0.02mole % is the optimum TiO2 concentration for grain size enlargement. Furthermore, the bulkdensity of Ni1xTixO1+xpellet was reduces at higher TiO2 concentration. In dielectric test, the additionof 0.03 mole % of TiO2 gave the highest dielectric constant with value of 4.51 x 1014 and 0.05 mole% of TiO2 gives the result of lowest dielectric loss (0.53).

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