Results 21 to 30 of about 991,692 (161)

Modeling and experimental analysis of particle damping phononic crystal plate

AIP Advances, 2021
A phononic crystal with particle assembly dampers was constructed. A high-speed camera was used to record and observe the vibration phenomenon of the particle assembly under external excitation.
Yuanchao Zhang, Wei Xu, Chiming Wang, Zhengmin Li, Jianwei Cheng, Shengwu Zhang   +5 more
doaj   +1 more source

Ultrasound Imaging by Thermally Tunable Phononic Crystal Lens. [PDF]

Int J Mol Sci, 2021
This article demonstrates the detections and mappings of a solid object using a thermally tunable solid-state phononic crystal lens at low frequency for potential use in future long-distance ...
Jin Y, Neogi A.
europepmc   +2 more sources

Phononic Coupled-Resonator Waveguide Micro-Cavities

Applied Sciences, 2020
Phononic coupled-resonator waveguide cavities are formed by a finite chain of defects in a complete bandgap phononic crystal slab. The sample is machined in a fused silica plate by femtosecond printing to form an array of cross-shape holes.
Ting-Ting Wang, Sylwester Bargiel, Franck Lardet-Vieudrin, Yan-Feng Wang, Yue-Sheng Wang, Vincent Laude   +5 more
doaj   +1 more source

Band gap engineering in simultaneous phononic and photonic crystal slabs [PDF]

, 2010
We discuss the simultaneous existence of phononic and photonic band gaps in two types of phononic crystals slabs, namely periodic arrays of nanoholes in a Si membrane and of Si nanodots on a SiO2 membrane. In the former geometry, we investigate in detail
Pennec, Yan, ElHassouani, Y., Akjouj, A., Y. Hassouani, A. Akjouj, Bria, D., Vasseur, J., E. H. Boudouti, ElBoudouti, EH, Y. Pennec, Djafari Rouhani, Bahram, Li, Chanseng, J. O. Vasseur, C. Li, D. Bria, B. Djafari Rouhani, El Hassouani, Youssef, Djafari-Rouhani, Bahram, El Boudouti, El Houssaine, Vasseur, Jerome O., Li, C., Bria, Driss, Akjouj, Abdellatif   +22 more
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Simultaneous Existence of Phononic and Photonic Band Gaps in Phoxonic Crystal Slabs [PDF]

, 2010
We discuss the simultaneous existence of phononic and photonic band gaps in a periodic array of holes drilled in a Si membrane. We investigate in detail both the centered square lattice and the boron nitride (BN) lattice with two atoms per unit cell ...
Papanikolaou, N., V. Laude, B. Djafari Rouhani, Vasseur, Jerome O., El Hassouani, Y., ElBoudouti, EH, Li, C., DjafariRouhani, Bahram, Y. El Hassouani, Papanikolaou, Nikos, C. Li, N. Papanikolaou, Pennec, Y., El Boudouti, E.H., Pennec, Yan, ElHassouani, Y., Martinez, Alejandro, A. Martinez, Laude, Vincent, Djafari-Rouhani, Bahram, Benchabane, Sarah, Vasseur, J., Rouhani, B. Djafari, Y. Pennec, Li, Chanseng, El Boudouti. E. H., J. O. Vasseur, Benchabane, Samir, E. H. El Boudouti, Vasseur, J. O., S. Benchabane   +30 more
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Directional Bandgap Analysis in Phononic Crystal with Rectangular Super Cell Structure [PDF]

International Journal of Mathematical, Engineering and Management Sciences, 2022
Phononic crystals have promising applications in the field of elastic waves and to attenuate the vibrations with their extraordinary feature of stop bands also known as bandgaps. Due to periodicity in structure, the wave in certain band of frequencies is
Abhishek Singh, Arpan Gupta
doaj   +1 more source

Dual phononic and photonic band gaps in a periodic array of pillars deposited on a thin plate [PDF]

, 2010
We study theoretically the simultaneous existence of phononic and photonic band gaps in a periodic array of silicon pillars deposited on a homogeneous thin silica plate.
Larabi, H., Bou, O., ElHassouani, Y., Li, Chanseng, Akjouj, O., Martinez, Alejandro, Djafari Rouhani, Bahram, Papanikolaou, Nikos, Laude, Vincent, Benchabane, Sarah, ElBoudouti, EH   +10 more
core   +1 more source

Dirac Cone Characteristics of Hexachiral Phononic Crystal

Shanghai Jiaotong Daxue xuebao, 2021
The band structure properties of phononic crystal is important to evaluate the vibration and noise reduction of acoustic metamaterials. Taking the 2D hexachiral phononic crystal as an example, the band structure and Dirac cone properties were ...
CHEN Luyun, WANG Jian, CUI Yifeng, KONG Hui
doaj   +1 more source

Ultra-sensitive gas sensor based fano resonance modes in periodic and fibonacci quasi-periodic Pt/PtS2 structures

Scientific Reports, 2022
Ultra-sensitive greenhouse gas sensors for CO2, N2O, and CH4 gases based on Fano resonance modes have been observed through periodic and quasi-periodic phononic crystal structures.
Shrouk E. Zaki, Mohamed A. Basyooni
doaj   +1 more source

A tunable phononic crystal working with magnetofluid

, 2023
Phononic crystal has attracted increasing interests because of their fascinating properties in manipulating classical waves. To improve the practicability of the phononic crystal with enforcing adjustability for adapting to various application scenarios,
H Du (7754438), S Jin (9648404), Q Zhang (660800), S Sun (7052096), Z Chen (4695958), J Yang (774823), S Zhang (5161223), W Li (7678928), Y Wang (774825)   +8 more
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