Origin of the Acoustic Bandgaps in Hypersonic Colloidal Phononics…
WebThe extension to high-frequency phononics to enable simultaneous manipulation of hypersonic phonons (GHz range) and visible light (400–800THz), and signal processing in wireless communication devices, needs organization in the submicron and nanometer scale range via self-assembly and nanofabrication techniques.
Phonons hushed | Nature Nanotechnology
WebAug 8, 2022 · Phonons hushed. Ilari J. Maasilta. Nature Nanotechnology 17 , 905 ( 2022) Cite this article. 914 Accesses. 1 Citations. 3 Altmetric. Metrics. A clever phononic crystal design produces a wide...
A new class of tunable hypersonic phononic crystals based on polymer ...
WebSep 22, 2015 · Phononic crystals (PnC), that is, composite materials in which a periodic distribution of elastic parameters facilitates control of the propagation of phonons, hold the promise to enable...
Nanocrystal phononics | Nature Materials
WebJan 26, 2023 · Exciton-driven change of phonon modes causes strong temperature dependent bandgap shift in nanoclusters. Article Open access 17 August 2020. Main. Colloidal nanocrystals (NCs) or ‘colloidal...
Tunable Graphene Phononic Crystal | Nano Letters - ACS …
WebBandgaps arising in such phononic crystals (PnCs) realize low-dissipation vibrational modes and enable applications toward mechanical qubits, efficient waveguides, and state-of-the-art sensing. Here, we combine phononics and two-dimensional materials and explore tuning of PnCs via applied mechanical pressure.
Phonon Engineering of Micro‐ and Nanophononic Crystals and …
WebSuch superwavelength bandgaps are important in engineering thermal transport and GHz–THz phonon engineering applications at nano- and microscales. For both micro- and nanoscale systems, a phonon dispersion analysis would be informative to understand the linear vibration of PnCs and AMMs.
WebThe extension to high-frequency phononics to enable simultaneous manipulation of hypersonic phonons (GHz range) and visible light (400−800THz), and signal processing in wireless communication devices, needs organization in the submicron and nanometer scale range via self-assembly and nanofabrication techniques.2The required organization at …
Magnetically tunable bandgaps in phononic crystal nanobeams ...
WebNov 1, 2022 · Magnetically tunable bandgaps in phononic crystal nanobeams incorporating microstructure and flexoelectric effects - ScienceDirect. Applied Mathematical Modelling. Volume 111, November 2022, Pages 554-566. Magnetically tunable bandgaps in phononic crystal nanobeams incorporating microstructure and flexoelectric effects.
Progress and perspectives on phononic crystals - AIP Publishing
WebApr 22, 2021 · The structure of PnCs mimics the arrangement of atoms in natural crystals and results in phononic features typical for thereof. These are the appearance of the second-order Brillouin zones, modification of the phonon dispersion, zone folding, and bandgaps due to Bragg reflections.
Tunable Hypersonic Bandgap Formation in Anisotropic Crystals of ...
WebSep 27, 2023 · Phononic materials exhibit mechanical properties that alter the propagation of acoustic waves and are widely useful for metamaterials. To fabricate acoustic materials with phononic bandgaps, colloidal nanoparticles and their assemblies allow access to various crystallinities in the submicrometer scale.
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