Numerical investigation of tunable multistacked metamaterial‐based graphene grating
Sign Up to like & getrecommendations! Published in 2020 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32719
Abstract: We present a tunable multistacked metamaterial‐based graphene grating structure for the lower THz frequency range. Circular gold wire is placed between graphene layers to obtain wideband response. Reflectance, transmittance, absorption, and refractive index parameters are… read more here.
Keywords: multistacked metamaterial; tunable multistacked; graphene grating; metamaterial based ... See more keywords
Metamaterial‐based, compact, wide beam‐width circularly polarized antenna for 5G indoor application
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32866
Abstract: This paper describes a metamaterial‐based miniaturized circularly polarized (CP) antenna with high radiation efficiency and wide beam‐width or coverage for 5G indoor application. A novel meta‐resonator is first proposed, which is investigated by transmission line… read more here.
Keywords: wide beam; beam; circularly polarized; metamaterial based ... See more keywords
Metamaterial-Based Four-Band Electromagnetic Energy Harvesting at Commonly Used GSM and Wi-Fi Frequencies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-06962-9
Abstract: A metamaterial-based energy harvesting structure for harvesting 0.90 GHz, 1.80 GHz, 2.60 GHz GSM bands and a 5.80 GHz Wi-Fi frequency band is numerically and experimentally demonstrated. The metamaterial unit cell consists of four nested split-ring resonators (SRRs) interconnected… read more here.
Keywords: energy harvesting; band; metamaterial based; ghz ghz ... See more keywords
Metamaterial-based graphene thermal emitter
Sign Up to like & getrecommendations! Published in 2017 at "Nano Research"
DOI: 10.1007/s12274-017-1922-7
Abstract: A thermal emitter composed of a frequency-selective surface metamaterial layer and a hexagonal boron nitride-encapsulated graphene filament is demonstrated. The broadband thermal emission of the metamaterial (consisting of ring resonators) was tailored into two discrete… read more here.
Keywords: thermal emitter; graphene thermal; based graphene; metamaterial based ... See more keywords
Design and study of a metamaterial based sensor for the application of liquid chemicals detection
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Research and Technology"
DOI: 10.1016/j.jmrt.2020.07.034
Abstract: Abstract The detection of chemical samples having close dielectric response is a big challenge as the detection principle is driven by the variations in the dielectric parameters of the investigated samples. In the current work,… read more here.
Keywords: chemicals detection; mhz; metamaterial based; based sensor ... See more keywords
A compact graphene metamaterial based on electromagnetically induced transparency effect
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126266
Abstract: Abstract Graphene has become an ideal material in the terahertz band, for its excellent properties and its variable carrier density (which can be modified by bias voltage). A compact metamaterial based on graphene was proposed… read more here.
Keywords: compact graphene; graphene; induced transparency; metamaterial based ... See more keywords
Electrically Tunable, CMOS-Compatible Metamaterial Based on Semiconductor Nanopillars
Sign Up to like & getrecommendations! Published in 2018 at "ACS Photonics"
DOI: 10.1021/acsphotonics.8b01383
Abstract: With the advent of autonomous vehicles imminent, a solid-state approach to beam steering is necessary for more affordable lidar tracking systems. Capable of dynamic control of light with subwavelength components, electrically tunable metamaterials show potential… read more here.
Keywords: electrically tunable; tunable cmos; compatible metamaterial; semiconductor ... See more keywords
A highly luminescent porous metamaterial based on a mixture of gold and alloyed semiconductor nanoparticles
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Chemistry C"
DOI: 10.1039/c8tc01102h
Abstract: Understanding the different processes in modern multicomponent metamaterials is a crucial task for their development. This includes the investigation of superstructures that can be formed by nanoparticle self-assembly. Here we present a destabilization-based synthetic protocol… read more here.
Keywords: porous metamaterial; highly luminescent; metamaterial based; based mixture ... See more keywords
Elastic metamaterial-based seismic shield for both Lamb and surface waves
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4996716
Abstract: Controlling the propagation of seismic waves to protect critical infrastructure via metamaterial is of new topical interest. This approach can be implemented by remote shielding of incoming waves rather than with vibration isolating structures. In… read more here.
Keywords: metamaterial based; seismic shield; elastic metamaterial; surface waves ... See more keywords
Alternatives to Metamaterial Based Antennas for Gain and Bandwidth Enhancement
Sign Up to like & getrecommendations! Published in 2021 at "Iete Journal of Research"
DOI: 10.1080/03772063.2021.1886878
Abstract: Several metamaterial antenna configurations have been proposed in the literature for gain and bandwidth enhancement. However, these antennas are rarely used in commercial applications due to comple... read more here.
Keywords: alternatives metamaterial; metamaterial based; bandwidth enhancement; based antennas ... See more keywords
An Acoustic Metamaterial-Based Sensor Capable of Multiband Filtering and Amplification
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2962279
Abstract: Dispersive acoustic metamaterials (AMMs) with graded refractive index is promising in acoustic sensing enhancement by providing acoustic rainbow trapping (ART) effect. However, previous solutions to this type of AMMs are based on 2D unit cells… read more here.
Keywords: metamaterial based; proposed amm; amplification; based sensor ... See more keywords