Towards macroporous phononic crystal based structures for FBAR applications. Theoretical investigation of technologically competitive solutions
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3616-1
Abstract: The research work of current contribution is focused on the study of periodic macroporous arrangements, their designs scaling ability and performance depending on a possible technological imperfection. The studied in this work phononic structures are… read more here.
Keywords: phononic crystal; towards macroporous; structures fbar; macroporous phononic ... See more keywords
Acetone sensor based 1D defective phononic crystal as a highly sensitive biosensor application
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-02737-x
Abstract: In the present work, a one-dimensional (1D) phononic crystal (PnC) was prepared as a biomarker for measuring acetone concentrations in water. As acetone is considered a very important substance for human health, it is also… read more here.
Keywords: resonant peak; acetone; sensor; phononic crystal ... See more keywords
3D-printed phononic crystal lens for elastic wave focusing and energy harvesting
Sign Up to like & getrecommendations! Published in 2019 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2019.100780
Abstract: Abstract We explore elastic wave focusing and enhanced energy harvesting by means of a 3D-printed Gradient-Index Phononic Crystal Lens (GRIN-PCL) bonded on a metallic host structure. The lens layer is fabricated by 3D printing a… read more here.
Keywords: wave focusing; elastic wave; energy; energy harvesting ... See more keywords
Quality enhancement and insertion loss reduction of a rectangular resonator by employing an ultra-wide band gap diamond phononic crystal
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2020.02.031
Abstract: Abstract We report on an ‘in plane mode’ band gaps investigation of a novel diamond CRS (circle-rectangle-square) shaped holey phononic crystals in the desired operating frequency ranges. An ultra-wide band gap for diamond in the… read more here.
Keywords: ultra wide; phononic crystal; band gap; diamond phononic ... See more keywords
Study on the band gaps of phononic crystal pipes with alternating materials in the radial and axial directions
Sign Up to like & getrecommendations! Published in 2017 at "Extreme Mechanics Letters"
DOI: 10.1016/j.eml.2016.10.005
Abstract: Abstract Low-frequency vibration control is a key technology in the vibration control of pipe systems. The existing related research on band gap mechanisms suggests that gigantic structures are required for the Bragg-type band gaps to… read more here.
Keywords: phononic crystal; bragg type; crystal pipes; frequency ... See more keywords
3D FEM analysis of the effect of buried phononic crystal barriers on vibration mitigation
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.109340
Abstract: Abstract Vibration induced by vehicles is a significant problem in large cities causing a major impact on human activities, comfort and health. Besides well-known strategies to mitigate vibrations and their effects, innovative methods are being… read more here.
Keywords: buried phononic; effect buried; analysis effect; fem analysis ... See more keywords
Elastic Foundation Induced Wide Bandgaps for Actively-tuned Topologically Protected Wave Propagation in Phononic Crystal Beams
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.106215
Abstract: Abstract This work presents the active control effects on a piezoelectric phononic crystal beam resting on elastic foundation. The bending of passive periodic beams that rest on elastic foundation can exhibit distinguished applications for geotechnical… read more here.
Keywords: phononic crystal; system; elastic foundation; foundation ... See more keywords
A very high sensitive interferometric phononic crystal liquid sensor
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2019.111878
Abstract: Abstract In this work, a novel structure has been proposed in order to design a highly sensitive phononic-crystals-based sensor for sensing different water-ethanol mixtures. The proposed structure consists of the steel background and water-filled holes… read more here.
Keywords: phononic crystal; high sensitive; sensitive interferometric; structure ... See more keywords
Theoretical design of porous phononic crystal sensor for detecting CO2 pollutions in air
Sign Up to like & getrecommendations! Published in 2020 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2020.114353
Abstract: Abstract Phononic crystal sensor is a novel technology for sensing applications with high performance. The present work proposes theoretically a design of gas (CO2) sensor based on a one-dimensional (1D) porous silicon (PSi) phononic crystal… read more here.
Keywords: phononic crystal; resonant mode; co2 pollutions; crystal sensor ... See more keywords
A highly attenuating and frequency tailorable annular hole phononic crystal for surface acoustic waves
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-00278-0
Abstract: Surface acoustic wave (SAW) devices are widely used for signal processing, sensing and increasingly for lab-on-a-chip applications. Phononic crystals can control the propagation of SAW, analogous to photonic crystals, enabling components such as waveguides and… read more here.
Keywords: phononic crystal; phononic crystals; surface acoustic; highly attenuating ... See more keywords
Topological negative refraction of surface acoustic waves in a Weyl phononic crystal
Sign Up to like & getrecommendations! Published in 2018 at "Nature"
DOI: 10.1038/s41586-018-0367-9
Abstract: Reflection and refraction of waves occur at the interface between two different media. These two fundamental interfacial wave phenomena form the basis of fabricating various wave components, such as optical lenses. Classical refraction—now referred to… read more here.
Keywords: phononic crystal; topological negative; negative refraction; weyl phononic ... See more keywords