Metamaterials for Energy Harvesting

Govindaraman, Loganathan T; Arjunan, Arun; Baroutaji, Ahmad; Robinson, John; Olabi, Abdul–Ghani

doi:10.1016/b978-0-12-815732-9.00127-3

Cited by 7 publications

(2 citation statements)

References 46 publications

(62 reference statements)

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“…Four main typesare delineated depending on the combination of permittivity and permeability, as illustrated in Fig. 6 [34]. The first type, characterized by positive permittivity and positive permeability (ε > 0, μ > 0), corresponds to double positive (DSP) metamaterials.…”

Section: B Metamaterials Superstrate Designmentioning

confidence: 99%

Advancements in Mobile Communication: A Novel Sectoral Antenna Design Incorporating Magneto-Electric Curved Strip Dipoles and PRS Superstrate

Santalunai,

Naktong

et al. 2024

IEEE Access

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This research investigates the process of designing, practical implementation, and modification of features in a sectoral antenna for mobile communication technology. The study employs the principles of a magneto-electric dipole and metamaterials to achieve its objectives. The antenna comprises a pair of magneto-electric curved strip dipoles arranged in a cross configuration for feeding. The antenna superstructure is constructed using a metamaterial consisting of three layers of metallic rods and a U-shaped reflector plane. The feeding component is oriented orthogonally to the ground plane at angles of ±45 degrees and is powered by two crossed-shaped strips to achieve dual polarization. Circular polarization can be attained through a three-layer metamaterial, providing control over the electric field's magnitude and phase. Additionally, the U-shaped reflector plane reflects waves, effectively increasing the sectoral antenna's beamwidth. The sectoral antenna achieves a peak gain of 15.35 dBi, representing an improvement over the initial gain of 9.8 dBi achieved solely through the use of magneto-electric curved strip dipoles. This proposed methodology can be adapted to enable circular polarization for mobile communication.INDEX TERMS Circular polarization, magneto-electric antenna, metamaterials, curved strip dipole, high gain.

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Section: B Metamaterials Superstrate Designmentioning

confidence: 99%

Advancements in Mobile Communication: A Novel Sectoral Antenna Design Incorporating Magneto-Electric Curved Strip Dipoles and PRS Superstrate

Santalunai,

Naktong

et al. 2024

IEEE Access

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“…Unlike bulk materials, metamaterials, whose properties are determined by the physical structure of the artificial unit cells, allow tailoring and customizing mechanical/optical functionalities and open new possibilities including vibroimpact switch applications [235][236][237][238]. Recently, a metamaterial embedded capacitive shunt RF switch has been demonstrated with improved isolation in [239,240].…”

Section: Rf Switches and Inertial Force Switchesmentioning

confidence: 99%

Micromechanical vibro-impact systems: a review

Tsai

2023

J. Micromech. Microeng.

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Spurred by the invention of the tapping-mode atomic force microscopy three decades ago, various micromechanical structures and systems that utilize parts with mechanical impact have been proposed and developed since then. While sharing most of the dynamical characteristics with macroscopic vibro-impact systems and benefiting from extensive theories developed, microscale counterparts possess higher percentage of surface force, higher resonance frequency and Q, and more prominent material and structural nonlinearities, all of which lead to unique features and in turn useful applications not seen in macroscopic vibro-impact systems. This paper will first present the basics of vibro-impact systems and techniques used for analyzing their nonlinear behaviors and then review the contact force modeling with an emphasis in microscale and numerical analysis tools. Finally, various applications of microscale vibro-impact systems will be reviewed and discussed. This review aims to provide a comprehensive picture of MEMS vibro-impact systems and inspire more innovative applications that take full advantage of the beauty of nonlinear vibro-impact dynamics in the microscale.

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Metamaterial Perfect Absorbers for Biosensing Applications

Durmaz,

Erturan

2023

Electromagnetic Metamaterials

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Metamaterials for Energy Harvesting

Cited by 7 publications

References 46 publications

Advancements in Mobile Communication: A Novel Sectoral Antenna Design Incorporating Magneto-Electric Curved Strip Dipoles and PRS Superstrate

Advancements in Mobile Communication: A Novel Sectoral Antenna Design Incorporating Magneto-Electric Curved Strip Dipoles and PRS Superstrate

Micromechanical vibro-impact systems: a review

Metamaterial Perfect Absorbers for Biosensing Applications

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