نتایج جستجو برای: electromagnetic wave absorption

تعداد نتایج: 409073  

Journal: :Small structures 2022

Metal–organic frameworks (MOFs) derivatives are developing family of functional materials for electromagnetic wave (EMW) absorption. Their tailored structures, controllable compositions, high porosity, and versatile functions offer immense advantages the construction excellent EMW absorption materials. Nevertheless, it is crucial challenging to understand unique role rationally designing art ta...

Journal: :Science China. Materials 2021

The application of antimony sulfide (Sb2S3) has been limited mainly to the energy storage and photoelectric conversion fields. However, in this work, Sb2S3 is extended field electromagnetic (EM) wave absorption for first time. High-permittivity single-crystal nanorods were prepared successfully exhibited excellent performance, with a low reflection loss −65.9 dB (13.0 GHz, 3.8 mm) an ultra-wide...

Journal: :Ceramics International 2022

Silicon carbide fiber-Carbon nanotubes arrays (SiCf-CNTs) hybrids with controllable morphologies were successfully synthesized by a floating catalyst chemical vapor deposition method (CVD). As the reaction duration prolonged from 2 min to 15 min, length of CNTs was elongated ?m 50 ?m, and moreover content in increased 1.5 wt% 3.7 wt%. By filling this chopped SiCf-CNTs (20 wt%) into paraffin, co...

Journal: :Advanced Engineering Materials 2022

This review aims to consolidate scattered literature on thermally sprayed coatings with nonionizing electromagnetic (EM) wave absorption and shielding over specific wavelengths potentially useful in diverse applications (e.g., microwave millimeter wave, solar selective, photocatalytic, interference shielding, thermal barrier-heat/emissivity). Materials EM properties such as electric permittivit...

2004
Madoka BABA Aki ISHII Yukihisa SUZUKI Soichi WATANABE Masao TAKI

High-molecular gel containing capsulate thermo-chromic liquid crystal is made to visualize three-dimensional distribution of electromagnetic power absorption. A preliminary experiment is performed at frequency of 1.5GHz. As a result of the experiment, the three-dimensional distribution of electromagnetic power absorption is clearly visualized. The result shows that the gel can be used as a phan...

2014
Quan WANG Liquan LI Jin JIANG Ataul BARI Changjian DENG Dongyi CHEN

Deployment of wireless systems in nuclear power plants has attracted a lot of attention recently. However, before wireless systems can be installed in a nuclear power plant, it is necessary to evaluate the effect of radiation environment on electromagnetic wave which is the communication media for all radio wave based wireless systems. This is particular important if the wireless systems are ex...

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