Results 41 to 50 of about 10,241 (239)

Tunable Electromagnetically Induced Transparent Window of Terahertz Metamaterials and Its Sensing Performance

Applied Sciences, 2022
The electromagnetically induced transparency effect of terahertz metamaterials exhibits excellent modulation and sensing properties, and it is critical to investigate the modulation effect of the transparent window by optimizing structural parameters. In
Zhenlin Wu, Peiyao An, Menghan Ding, Yanan Qi, Lin Zhang, Shaoshuai Han, Di Lian, Changming Chen, Xin Yang   +8 more
doaj   +1 more source

What Do Large Language Models Know About Materials?

Advanced Engineering Materials, EarlyView.
If large language models (LLMs) are to be used inside the material discovery and engineering process, they must be benchmarked for the accurateness of intrinsic material knowledge. The current work introduces 1) a reasoning process through the processing–structure–property–performance chain and 2) a tool for benchmarking knowledge of LLMs concerning ...
Adrian Ehrenhofer, Thomas Wallmersperger, Gianaurelio Cuniberti   +2 more
wiley   +1 more source

Zero electromagnetic coupling of closely spaced identical helical resonators

Scientific Reports
The interaction between closely spaced elements in an electromagnetic array typically leads to significant inter-element coupling, altering the resonance properties of each element.
J. Gudge-Brooke, N. Clow, A. P. Hibbins, A. W. Powell, J. R. Sambles   +4 more
doaj   +1 more source

Aperiodic-metamaterial-based absorber

APL Materials, 2017
The periodic-metamaterial-based perfect absorber has been studied broadly. Conversely, if the unit cell in the metamaterial-based absorber is arranged aperiodically (aperiodic-metamaterial-based absorber), how does it perform?
Quanlong Yang, Xieyu Chen, Yanfeng Li, Xueqian Zhang, Yuehong Xu, Zhen Tian, Chunmei Ouyang, Jianqiang Gu, Jiaguang Han, Weili Zhang   +9 more
doaj   +1 more source

Structural design and optimization of double-cross shape broadband absorption metamaterial based on CB-ABS

Frontiers in Materials, 2022
This work presents a novel broadband double-cross shape metamaterial structure based on the Carbon Black-Acrylonitrile-Butadiene-Styrene (CB-ABS) composite material.
Mengzhou Chen, Liuying Wang, Gu Liu, Chaoqun Ge, Long Wang, Kejun Xu, Weichao Wang   +6 more
doaj   +1 more source

A tunable splitter upon a planar hyperbolic metamaterial [PDF]

Радиофизика и электроника, 2020
Subject and Purpose. The paper presents the development and testing of a microwave splitter based on a planar hyperbolic metamaterial with a structural defect.
M.А. Miliaiev, S.V. Nedukh, S.I. Tarapov   +2 more
doaj   +1 more source

Enhanced Gamma Radiation Shielding Using Epoxy Quartz Fabric Composites Reinforced With CoCl2 Microparticles

Advanced Engineering Materials, EarlyView.
The growing demand for lightweight, nontoxic, and multifunctional gamma shielding materials has intensified efforts to find alternatives to conventional lead and aluminum‐based protectants. In this work, we develop epoxy quartz fabric composites reinforced with cobalt chloride (CoCl2) microparticles, fabricated via hand lay‐up with varying filler ...
Summan Urooge, Ahsan Irshad, Umar Jamil, Srosh Fazil, Khuram Liaqat, Kashif Shahzad, Fakhar Alam, Mehboob Alam   +7 more
wiley   +1 more source

Nonlocal phase-change metaoptics for reconfigurable nonvolatile image processing

Light: Science & Applications
The next generation of smart imaging and vision systems will require compact and tunable optical computing hardware to perform high-speed and low-power image processing.
Guoce Yang, Mengyun Wang, June Sang Lee, Nikolaos Farmakidis, Joe Shields, Carlota Ruiz de Galarreta, Stuart Kendall, Jacopo Bertolotti, Andriy Moskalenko, Kairan Huang, Andrea Alù, C. David Wright, Harish Bhaskaran   +12 more
doaj   +1 more source

SAR Reduction Using Integration of PIFA and AMC Structure for Pentaband Mobile Terminals

International Journal of Antennas and Propagation, 2017
In this paper, a capacitive grating artificial magnetic conductor (AMC) is presented to reduce the specific absorption rate (SAR) in pentaband mobile terminals. The AMC structure is implemented using a dielectric film with the printed arrays of the metal
Jae-Gon Lee, Jeong-Hae Lee
doaj   +1 more source

Broadband absorber with dispersive metamaterials

Nanophotonics, 2023
A broadband absorber that utilizes a dispersive metamaterial and covers the entire microwave X-band (8–12 GHz) is proposed in the present study. An ideal absorber attached to the surface of a perfect electric conductor requires the permittivity of the ...
Han WonHeum, Park Q-Han
doaj   +1 more source