Surface acoustic waves in one‐dimensional piezoelectric‐metallic phononic crystal: Effect of a cap layer
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2018.06.010
Abstract: HighlightsWe give closed form expressions of the dispersion relations of surface modes induced by a piezoelectric‐metallic superlattice with a cap layer.We demonstrate a rule about the existence of surface modes in piezoelectric‐metallic superlattice.We show the… read more here.
Keywords: layer; surface modes; cap layer; piezoelectric metallic ... See more keywords
Nonreciprocal thermal radiation of nanoparticles via spin-directional coupling with reciprocal surface modes
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0057446
Abstract: We demonstrate nonreciprocal far-field thermal emission and nonreciprocal near-field radiative heat transfer of Weyl semimetal nanoparticles when the circular thermal emission of the particles directionally couples with the spin of the surface modes supported by… read more here.
Keywords: surface modes; nonreciprocal thermal; thermal radiation; surface ... See more keywords
Acoustic surface modes on metasurfaces with embedded next-nearest-neighbor coupling
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.107.144110
Abstract: We design, simulate, and experimentally characterize an acoustic metasurface comprising of a 1D array of open, sound-hard, cavities, modulated with beyond-nearest-neighbor (BNN) couplings in the form of additional connecting cavities embedded beneath the surface. The… read more here.
Keywords: modes metasurfaces; surface; acoustic surface; surface modes ... See more keywords
An Optical Sensor Design Using Surface Modes of Low-Symmetric Photonic Crystals
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2907508
Abstract: In this paper, an optical sensor design is proposed with low-symmetric photonic crystals that support surface modes. In order to obtain low symmetry, rotational symmetry is broken within the unit cell size while translational symmetry… read more here.
Keywords: surface modes; low symmetric; symmetric photonic; sensor ... See more keywords
Graphene-Based One-Dimensional Terahertz Phononic Crystal: Band Structures and Surface Modes
Sign Up to like & getrecommendations! Published in 2020 at "Nanomaterials"
DOI: 10.3390/nano10112205
Abstract: In this paper, we provide a theoretical and numerical study of the acoustic properties of infinite and semi-infinite superlattices made out of graphene-semiconductor bilayers. In addition to the band structure, we emphasize the existence and… read more here.
Keywords: surface modes; graphene based; phononic crystal; surface ... See more keywords