Articles with "periodic array" as a keyword



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Shape analysis of the longitudinal flow along a periodic array of cylinders

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Published in 2019 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2019.05.017

Abstract: Abstract We study the behavior of the longitudinal flow along a periodic array of cylinders upon perturbations of the shape of the cross section of the cylinders and the periodicity structure, when a Newtonian fluid… read more here.

Keywords: array cylinders; along periodic; longitudinal flow; periodic array ... See more keywords
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Graphene-Based Nanoelectromechanical Periodic Array with Tunable Frequency.

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Published in 2021 at "Nano letters"

DOI: 10.1021/acs.nanolett.1c01866

Abstract: Phononic crystals (PnCs) have attracted much attention due to their great potential for dissipation engineering and propagation manipulation of phonons. Notably, the excellent electrical and mechanical properties of graphene make it a promising material for… read more here.

Keywords: array; graphene based; frequency; nanoelectromechanical periodic ... See more keywords
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Plasmon lattice resonances induced by an all-dielectric periodic array of Si nanopillars on SiO2 nanopillars

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Published in 2021 at "Nanotechnology"

DOI: 10.1088/1361-6528/ac2844

Abstract: An all-dielectric periodic array is proposed to form plasmon lattice resonances (PLR). In the array, Si nanopillars are on top of SiO2 nanopillars, and SiO2 nanopillars are on top of quartz substrates. The simulated results… read more here.

Keywords: lattice resonances; array; dielectric periodic; sio2 nanopillars ... See more keywords
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Quasi-Periodic Array Modeling Using Reduced Basis Method

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Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/aps.2016.7696376

Abstract: Many electromagnetic devices such as reflectarray antennas, metasurfaces, etc., can be modeled as quasi-periodic arrays. In these devices, similar array elements with a few varying geometrical parameters are positioned in a periodic lattice. Compared to… read more here.

Keywords: array; basis method; reduced basis; periodic array ... See more keywords
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A Novel Printed Dual-Log-Periodic Array Antenna for UHF Near-Field RFID Applications

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Published in 2018 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2018.2874202

Abstract: A novel printed center-fed dual-log-periodic array antenna is proposed for ultrahigh frequency (UHF) radio frequency identification (RFID) applications. The proposed antenna is composed of two reversed wideband printed log-periodic dipole array antennas. Two closely spaced… read more here.

Keywords: array; log periodic; array antenna; dual log ... See more keywords
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Three-dimensional one-mode penetration of elastic waves through a doubly periodic array of cracks

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Published in 2018 at "Mathematics and Mechanics of Solids"

DOI: 10.1177/1081286516684902

Abstract: The paper is devoted to the calculation of the reflection and transmission coefficients, when a plane wave is incident on a two-dimensional grating with an infinite doubly periodic array of rectangular cracks in the elastic… read more here.

Keywords: three dimensional; doubly periodic; one mode; periodic array ... See more keywords
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Subwavelength Quasi-Periodic Array for Infrared Antireflection

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12193520

Abstract: Infrared antireflection of a zinc sulfide (ZnS) surface is important to improve performance of infrared detector systems. In this paper, double-pulse femtosecond laser micro-machining is proposed to fabricate a subwavelength quasi-periodic array (SQA) on ZnS… read more here.

Keywords: periodic array; infrared antireflection; subwavelength quasi; quasi periodic ... See more keywords