Results 11 to 20 of about 4,136 (218)
Principles and properties of phononic crystal waveguides
APL Materials, 2021 Strongly confined waveguiding is one of the main applications of phononic crystals that can be achieved at any frequency and scale. Phononic crystal waveguides replace the cladding of classical homogeneous waveguides by a crystal possessing a complete ...
V. Laude
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Theoretical Investigation of Magneto-Electro-Elastic Piezoelectric Phononic Crystal
Crystals, 2022 We design a magneto-electro-elastic piezoelectric phononic crystal (MPPC) using a one-dimensional piezoelectric superlattice (with a 3m point group) and split-ring resonators. The effect of the split-ring resonators is to enhance the piezoelectric effect
Wen-Chao Bai +7 more
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Phononic Crystal Cavity Magnomechanics
Physical Review Applied, 2023 Establishing a way to control magnetic dynamics and elementary excitations (magnons) is crucial to fundamental physics and the search for novel phenomena and functions in magnetic solid-state systems. Electromagnetic waves have been developed as means of driving and sensing in magnonic and spintronics devices used in magnetic spectroscopy, non-volatile
Daiki Hatanaka +3 more
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Bloch wave deafness and modal conversion at a phononic crystal boundary [PDF]
AIP Advances, 2011 We investigate modal conversion at the boundary between a homogeneous incident medium and a phononic crystal, with consideration of the impact of symmetry on the excitation of Bloch waves. We give a quantitative criterion for the appearance of deaf Bloch
Vincent Laude +3 more
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Phononic crystal as a homogeneous viscous metamaterial
Physical Review Research, 2020 A homogenization theory, representing the low-frequency limit, is developed for a phononic crystal of cylinders embedded in a viscous fluid. The decay coefficient of sound due to viscosity is calculated analytically for any two-dimensional Bravais ...
M. Ibarias +3 more
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Ultracoherent Nanomechanical Resonators Based on Density Phononic Crystal Engineering
Physical Review XMicromechanical and nanomechanical systems with exceptionally low dissipation rates are enabling the next-generation technologies of ultrasensitive detectors and quantum information systems.
Dennis Høj +2 more
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Guided Lamb waves in reconfigurable phononic crystal waveguides
APL Materials, 2021 We demonstrate experimentally the manipulation of Lamb waves guided along reconfigurable phononic circuits created by defects composed of threaded rods held with nuts in a perforated solid phononic crystal slab.
Yan-Feng Wang +5 more
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Type-II Dirac phonons in a two-dimensional phononic crystal
APL MaterialsWe explore the distinctive properties associated with a type-II Dirac point in a simply structured phononic crystal with a lattice deformation. This type-II Dirac point emerges at the Brillouin zone boundary, resulting from the lifting of two degenerate ...
Changqing Xu +3 more
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Tunable Graphene Phononic Crystal. [PDF]
Nano Lett, 2021 Abstract In the field of phononics, periodic patterning controls vibrations and thereby the flow of heat and sound in matter. Bandgaps arising in such phononic crystals realize low-dissipation vibrational modes and enable applications towards mechanical qubits, efficient waveguides, and state-of-the-art sensing.
Kirchhof JN +6 more
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Progress and perspectives on phononic crystals [PDF]
Journal of Applied Physics, 2021 Phononic crystals (PnCs) control the transport of sound and heat similar to the control of electric currents by semiconductors and metals or light by photonic crystals. Basic and applied research on PnCs spans the entire phononic spectrum, from seismic waves and audible sound to gigahertz phononics for telecommunications and thermal transport in the ...
Thomas Vasileiadis +5 more
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