Search Results - "Defect mode"

Multiband elastic wave energy localization for highly amplified piezoelectric energy harvesting using trampoline metamaterials by Lee, Geon, Park, Jeonghoon, Choi, Wonjae, Ji, Bonggyu, Kim, Miso, Rho, Junsuk

“…•A trampoline metamaterial is designed for realizing multiband energy localization and harvesting.•Bragg-scattering and local resonance is exploited to control…”
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From defect mode to topological metamaterials: A state-of-the-art review of phononic crystals & acoustic metamaterials for energy harvesting by Akbari-Farahani, Fahimeh, Ebrahimi-Nejad, Salman

“…Recent advances in the field of low-power electronic components production have spurred research in energy harvesting. Ambient sound can be used as a source of…”
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Designing a phononic crystal with a defect for energy localization and harvesting: Supercell size and defect location by Jo, Soo-Ho, Yoon, Heonjun, Shin, Yong Chang, Choi, Wonjae, Park, Choon-Su, Kim, Miso, Youn, Byeng D.

“…•Unlike acoustic waves, transversely polarized defect mode shapes are observed under elastic waves.•Electroelastic coupling of piezoelectric energy harvesting…”
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Non-volatile optical switches based on Goos-Hänchen effect in a 1D photonic crystal featuring a phase-change material defect layer by Shirin, Simin, Khanehzar, Ahmad, Hatef, Ali

“…This study explores the tunable Goos–Hänchen (GH) shift in a one-dimensional photonic crystal (PC) featuring a central defect layer composed of the optical…”
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A defect-mode elastic metamaterial enhancing nonlinear ultrasonic signatures for fatigue crack detection by Tian, Yiran, Fu, Haoyu, Shen, Yanfeng

“…•Metamaterials and nonlinear ultrasonics NDE technique join hands.•A defect mode metamaterial amplifies the originally weak nonlinear wave signal.•Nonlinear…”
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Longitudinal wave localization using a one-dimensional phononic crystal with differently patterned double defects by Jo, Soo-Ho, Youn, Byeng D.

“…•A one-dimensional PnC with differently patterned double defects is newly analyzed.•The coupling degree between the double defects relies on the nature of each…”
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Design of a nano-sensor for cancer cell detection based on a ternary photonic crystal with high sensitivity and low detection limit by Daher, Malek G., Taya, Sofyan A., Colak, Ilhami, Vigneswaran, Dhasarathan, Olaimat, Melad M., Patel, Shobhit K., Ramahi, Omar M., Almawgani, Abdulkarem H.M.

“…•A ternary defective photonic crystal (PC) is proposed as a detector for cancerous cells.•The defect layer is taken as the patient's blood sample.•The index…”
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Numerical optimization of 1D superconductor photonic crystals pressure sensor for low temperatures applications by Sabra, Walied, Elsayed, Hussein A., Mehaney, Ahmed, Aly, Arafa H.

“…In this research, reflectance spectra for a one-dimensional (1D) photonic crystal (PC) consists of a high-temperature superconductor Hg-1223 and a…”
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Ultra-sensitive photonic crystal cancer cells sensor with a high-quality factor by Aly, Arafa H., Zaky, Zaky A.

“…•We developed a biosensor based on a 1D photonic crystal.•The proposed sensor is a low-cost.•The sensing mechanism of the present cancer sensor is based on…”
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Faraday rotation effect in a one-dimensional photonic crystal containing the weyl semimetal Co3Sn2S2 by Roumi, Bita, Fallahi, Vahid, Abdi-Ghaleh, Reza

“…In this paper, we propose to use the Weyl semimetal- Co3Sn2S2 embedded between two Bragg reflectors to attain the Faraday rotation without an external magnetic…”
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High quality factor nonreciprocal thermal radiation in a weyl semimetal film via the strong coupling between tamm plasmon and defect mode by Wu, Jize, Li, Hongju, Fu, Ceji, Wu, Xiaohu

“…In this work, we propose a composite multilayer structure consisting of a Weyl semimetal (WS) film and photonic crystal (PC) with a defect layer to achieve…”
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Tunable multichannel terahertz filtering properties of dielectric defect layer in one-dimensional magnetized plasma photonic crystal by Wang, Yunlong, Liu, Song, Zhong, Shuangying

“…In this paper, the multichannel filtering properties caused by the dielectric defect layer of the one-dimensional magnetized plasma photonic crystal (PPC) in…”
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Damage detection in laminated rubber bearings based on defect mode of periodic structure and electromechanical admittance by Zhang, Ying, Zhu, Hongping, Shen, Zehui, Luo, Hao, Weng, Shun

“…•Proposed defect mode- and EMA-based damage detection for laminated rubber bearings.•Damage identified via defect mode frequency frequency-shifts and RMSD of…”
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High-sensitivity silicon-based photonic crystal refractive index biosensor based on defect-mode coupling by Wu, Chao, Liu, Xing, Feng, Shuai, Chen, Xiao, Li, Chuanbo, Wang, Yiquan

“…A high-sensitivity, high-resolution, multi-working-channel and real-time-detection typed one-dimensional photonic crystal biosensor is proposed in this paper…”
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Multistage damage detection method based on the defect mode for periodically stiffened panels by Zheng, Kaihong, Li, Zheng, Zhu, Jueyong, Xia, Rongyu, Chen, Jianlin, Hameed, Muhammad Saqib

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Damage detection method based on defect mode for orthogonal grid stiffened panels by Zheng, Kaihong, Zhu, Jueyong, Chen, Jiyue, Saqib Hameed, Muhammad, Chen, Jianlin, Li, Zheng

“…•The periodic characteristics of orthogonal grid stiffened panels are studied.•The influence of defects on transmission coefficients is utilized to choose…”
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All‐Polarized Elastic Wave Attenuation and Harvesting via Chiral Mechanical Metamaterials by Park, Jeonghoon, Lee, Geon, Kwon, Hyunhee, Kim, Miso, Rho, Junsuk

“…Manipulating elastic waves of all polarizations is highly challenging due to the complex behavior of elastic waves. To achieve simultaneous broadband vibration…”
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Enhanced ultrasonic wave generation using energy-localized behaviors of phononic crystals by Jo, Soo-Ho, Youn, Byeng D.

“…•This is the first attempt to utilize a defective PnC as wave-generation systems.•An analytical model is newly proposed to predict sensitivities and electrical…”
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Tunable polymer-based ternary one-dimensional photonic crystal with PVDF piezoelectric layer in the THz spectrum by Shojaeifar, Mohsen, Kalhor, Davood, Firouzjaei, Ali Shekari

“…This research introduces an innovative method for crafting adjustable one-dimensional photonic crystals by integrating a polyvinylidene fluoride (PVDF)…”
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Photonic crystal filter based on defect mode and waveguide mode symmetry matching by Zhang, Tong, Sun, Jing, Yang, Yunxing, Li, Zhixin

“…In this paper, a new type of filter based on symmetry matching between the defect and waveguide modes in a square lattice photonic crystal for 1.31 μm…”
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