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Journal articles on the topic 'Phononic crystal sensor'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Lucklum, Ralf, J. Li, and Mikhail Zubtsov. "Tailoring 2D phononic crystal sensor properties by lattice symmerty reduction." Procedia Engineering 5 (September 23, 2010): 1284–87. https://doi.org/10.1016/j.proeng.2010.09.348.

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We propose a novel method of tailoring the band structure of 2D phononic crystals (PnC) by reducing the lattice symmetry. Specifically, symmetry reduction by stretching and distorting the crystal face is explored. The transmission spectrum of the PnC was numerically calculated using the layer multiple-scattering method. Change in the shape and size of the band gaps is demonstrated as well as form of pass bands inside the stop band. The practical feasibility of the PnC sensor concept was evaluated for the case of synthetic quartz matrix and water inclusions. A distinct pattern of the pass band

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2

Lucklum, Ralf, Manzhu Ke, and Mikhail Zubtsov. "Two-dimensional phononic crystal sensor based on a cavity modem." Sensors and Actuators B 171-172 (April 3, 2012): 271–77. https://doi.org/10.1016/j.snb.2012.03.063.

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Phononic crystals offer an innovative platform for acoustic liquid sensors. Based on a longitudinal cavity mode, we introduce an acoustic sensor system using a two dimensional phononic crystal with in-plane wave incidence. The phononic crystal is made up of a steel plate having two regular arrays of holes and a cavity in-between. The holes and the cavity are filled with the liquid of interest. We both theoretically and experimentally demonstrate that the transmission peak caused by the cavity mode can be used for sensor purpose. Theoretical simulation and experimental measurement show good con

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3

Mukhin, Nikolay, Mykhailo Kutia, Alexander Aman, Ulrike Steinmann, and Ralf Lucklum. "Two-Dimensional Phononic Crystal Based Sensor for Characterization of Mixtures and Heterogeneous Liquids." Sensors 22, no. 7 (2022): 2816. http://dx.doi.org/10.3390/s22072816.

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We show new approaches to developing acoustic liquid sensors based on phononic crystals. The proposed phononic crystal integrates fluidic elements. A solid block with periodic cylindrical holes contains a defect—a liquid-filled cylindrical cavity. We pay attention to acoustic excitation and the readout of the axisymmetric cylindrical resonator eigenmode of the liquid-filled defect in the middle of the phononic crystal structure. This mode solves the challenge of mechanical energy losses due to liquid viscosity. We also analyze the coupling effects between oscillations of liquid and solid syste

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4

Mukhin, Nikolay, and Ralf Lucklum. "Periodic Tubular Structures and Phononic Crystals towards High-Q Liquid Ultrasonic Inline Sensors for Pipes." Sensors 21, no. 17 (2021): 5982. http://dx.doi.org/10.3390/s21175982.

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The article focuses on a high-resolution ultrasound sensor for real-time monitoring of liquid analytes in cylindrical pipes, tubes, or capillaries. The development of such a sensor faces the challenges of acoustic energy losses, including dissipation at liquid/solid interface and acoustic wave radiation along the pipe. Furthermore, we consider acoustic resonant mode coupling and mode conversion. We show how the concept of phononic crystals can be applied to solve these problems and achieve the maximum theoretically possible Q-factor for resonant ultrasonic sensors. We propose an approach for e

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5

Gueddida, A., Y. Pennec, V. Zhang, et al. "Tubular phononic crystal sensor." Journal of Applied Physics 130, no. 10 (2021): 105103. http://dx.doi.org/10.1063/5.0051660.

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6

Lucklum, Ralf, J. Li, and Mikhail Zubtsov. "1D and 2D Phononic Crystal Sensor." Procedia Engineering 5 (September 23, 2010): 436–39. https://doi.org/10.1016/j.proeng.2010.09.140.

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Acoustic band gap materials, so-called phononic crystals, provide a new sensor platform for determination of material properties in small cavities. The sensor employs specific transmission windows within the band gap to determine properties of a component that builds the phononic crystal. The frequency where transmission takes place is correlated to material properties and permits the determination of several parameters of practical interest like concentration of an analyte. The capability of the concept will be demonstrated with a one-dimensional arrangement of solid plates and liquid filled

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7

Oseev, Aleksandr, Mikhail Zubtsov, and Ralf Lucklum. "Octane Number Determination of Gasoline with a Phononic Crystal Sensor." Procedia Engineering 47 (November 2, 2012): 1382–85. https://doi.org/10.1016/j.proeng.2012.09.414.

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The wide range of fuels supplied nowadays has different composition. In order to optimize the combustion process, engine performance and meeting the EPA emissions standards, information about the properties of gasoline should be gained in real time. This study presents a new sensor platform based on a phononic crystal (PnC) sensor and its application as a measuring system for real time gasoline octane number determination. The method is based on the analysis of the transmission spectrum of a phononic crystal sensor filled with the liquid gasoline blend. We could reveal a strong correlation bet

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8

He, Juxing, Honglang Li, Yahui Tian, Qiaozhen Zhang, Zixiao Lu, and Jianyu Lan. "Numerical Analysis of Viscous Dissipation in Microchannel Sensor Based on Phononic Crystal." Micromachines 12, no. 8 (2021): 994. http://dx.doi.org/10.3390/mi12080994.

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Phononic crystals with phononic band gaps varying in different parameters represent a promising structure for sensing. Equipping microchannel sensors with phononic crystals has also become a great area of interest in research. For building a microchannels system compatible with conventional micro-electro-mechanical system (MEMS) technology, SU-8 is an optimal choice, because it has been used in both fields for a long time. However, its mechanical properties are greatly affected by temperature, as this affects the phononic bands of the phononic crystal. With this in mind, the viscous dissipatio

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9

Mukhin, N. V., A. Oseev, M. M. Kutia, E. S. Borodacheva, and P. G. Korolev. "Determination of Ethanol Content in Fuels with Phononic Crystal Sensor." Journal of the Russian Universities. Radioelectronics 22, no. 5 (2019): 107–15. http://dx.doi.org/10.32603/1993-8985-2019-22-5-107-115.

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Introduction. In-line analysis of ethanol content in gasoline blends is currently one of the urgent needs of fuel industry. Developing safe and secure approaches is critical for real applications. A phononic crystal sensor have been introduced as an innovative approach to high performance gasoline sensing. Distinguishing feature of proposed sensor is the absence of any electrical contact with analysed gasoline blend, which allows the use of sensors directly in pipelines without the risk of explosion in an emergency.Aim. Investigation of the possibilities of using phononic sensor structures to

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10

Ke, Manzhu, Mikhail Zubtsov, and Ralf Lucklum. "Sub-wavelength phononic crystal liquid sensor." Journal of Applied Physics 110, no. 2 (2011): 026101. http://dx.doi.org/10.1063/1.3610391.

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11

Lucklum, Ralf, Mikhail Zubtsov, Aleksandr Oseev, Marc-Peter Schmidt, and Soeren Hirsch. "SAW Based Sandwich Phononic Crystal Sensor." Procedia Engineering 168 (2016): 700–703. http://dx.doi.org/10.1016/j.proeng.2016.11.251.

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12

Lucklum, Ralf, Mikhail Zubtsov, Manzhu Ke, B. Henning, and U. Hempel. "2D Phononic Crystal Sensor with Normal Incidence of Sound." Procedia Engineering 25 (January 8, 2012): 787–90. https://doi.org/10.1016/j.proeng.2011.12.193.

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This contribution shows the sensor application of a resonance-induced extraordinary transmission through a regular phononic crystal consisting of a metal plate with a periodic arrangement of holes in a square lattice at normal incidence of sound. The characteristic transmission peak has been found to strongly depend on liquid sound velocity. The respective peak maximum frequency can therefore serve as measure for liquid analysis. Experimental verification has been performed with mixtures of water and propanol as model system. Numerical calculations based on COMSOL and EFIT reveal more insides

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13

Kahlouche, Ahmed, Mounir Bouras, and Abdessalem Hocini. "Design of a Thickness Sensor Based on a One-Dimensional Phononic Crystal." Instrumentation Mesure Métrologie 21, no. 3 (2022): 109–12. http://dx.doi.org/10.18280/i2m.210303.

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Nowadays, sensor technology has attracted great interest in various domains. In this ‎work, we have analyzed a one dimensional phononic crystal made by the stack of N bilayers of ‎‎(LiNbO3/SiO2). The sensor design consists of a one dimensional phononic crystal structure with a ‎defect layer inserted in the middle. Using the Transfer Matrix Method (TMM), the transmission ‎spectrums of acoustic waves are calculated and plotted. In this work, we are interested in the ‎resonance peak that is transmitted inside the phononic band gap. The results obtained show clearly that the resonant frequency of

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14

Lucklum, Ralf, Mikhail Zubtsov, Manzhu Ke, B. Henning, and U. Hempel. "2D Phononic Crystal Sensor with Normal Incidence of Sound." Sensors and Actuators A: Physical 186 (October 1, 2012): 118–24. https://doi.org/10.1016/j.sna.2012.03.017.

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The contribution presents the sensor application of a resonance-induced extraordinary transmission through a regular phononic crystal consisting of a metal plate with a periodic arrangement of holes in a square lattice at normal incidence of sound. The characteristic transmission peak has been found to strongly depend on sound velocity of the liquid the plate is immersed in. The respective peak maximum frequency can serve as measure for the concentration of a component in the liquid mixture, if a beneficial relation to the speed of sound of the liquid exists. Experimental verification has been

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15

Zubtsov, Mikhail, Ralf Lucklum, Manzhu Ke, et al. "2D phononic crystal sensor with normal incidence of sound." Sensors and Actuators A: Physical 186 (March 28, 2012): 118–24.

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The contribution presents the sensor application of a resonance-induced extraordinary transmission through a regular phononic crystal consisting of a metal plate with a periodic arrangement of holes in a square lattice at normal incidence of sound. The characteristic transmission peak has been found to strongly depend on sound velocity of the liquid the plate is immersed in. The respective peak maximum frequency can serve as measure for the concentration of a component in the liquid mixture, if a beneficial relation to the speed of sound of the liquid exists. Experimental verification has been

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16

Huang, Nan-Nong, Yi-Cheng Chung, Hsiao-Ting Chiu, et al. "Dual Photonic–Phononic Crystal Slot Nanobeam with Gradient Cavity for Liquid Sensing." Crystals 10, no. 5 (2020): 421. http://dx.doi.org/10.3390/cryst10050421.

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A dual photonic–phononic crystal slot nanobeam with a gradient cavity for liquid sensing is proposed and analyzed using the finite-element method. Based on the photonic and phononic crystals with mode bandgaps, both optical and acoustic waves can be confined within the slot and holes to enhance interactions between sound/light and analyte solution. The incorporation of a gradient cavity can further concentrate energy in the cavity and reduce energy loss by avoiding abrupt changes in lattices. The newly designed sensor is aimed at determining both the refractive index and sound velocity of the

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17

Wang, Chen, Feiyan Cai, Fei Li, et al. "A highly sensitive compact liquid sensor based on slotted phononic crystal plates." Lab on a Chip 16, no. 23 (2016): 4595–600. http://dx.doi.org/10.1039/c6lc01151a.

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18

Samadi, Mohsen, Julius Schmalz, Jana Marie Meyer, Fabian Lofink, and Martina Gerken. "Phononic-Crystal-Based SAW Magnetic-Field Sensors." Micromachines 14, no. 11 (2023): 2130. http://dx.doi.org/10.3390/mi14112130.

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In this theoretical study, we explore the enhancement of sensing capabilities in surface acoustic wave (SAW)-based magnetic field sensors through the integration of engineered phononic crystals (PnCs). We particularly focus on amplifying the interaction between the SAW and magnetostrictive materials within the PnC structure. Through comprehensive simulations, we demonstrate the synchronization between the SAWs generated by IDTs and the resonant modes of PnCs, thereby leading to an enhancement in sensitivity. Furthermore, we investigate the ΔE effect, highlighting the sensor’s responsiveness to

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19

Oseev, A., M. Zubtsov, and R. Lucklum. "Gasoline properties determination with phononic crystal cavity sensor." Sensors and Actuators B: Chemical 189 (December 2013): 208–12. http://dx.doi.org/10.1016/j.snb.2013.03.072.

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20

Nagaty, Ahmed, Ahmed Mehaney, and Arafa H. Aly. "Acoustic Wave Sensor Based on Piezomagnetic Phononic Crystal." Journal of Superconductivity and Novel Magnetism 31, no. 12 (2018): 4173–77. http://dx.doi.org/10.1007/s10948-018-4702-z.

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21

Mukhin, Nikolay, Mykhailo Kutia, Aleksandr Oseev, Ulrike Steinmann, Stefan Palis, and Ralf Lucklum. "Narrow Band Solid-Liquid Composite Arrangements: Alternative Solutions for Phononic Crystal-Based Liquid Sensors." Sensors 19, no. 17 (2019): 3743. http://dx.doi.org/10.3390/s19173743.

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Periodic elastic composite structures attract great attention. They offer the ability to design artificial properties to advance the control over the propagation of elastic/acoustic waves. In previous work, we drew attention to composite periodic structures comprising liquids. It was shown that the transmission spectrum of the structure, specifically a well-isolated peak, follows the material properties of liquid constituent in a distinct manner. This idea was realized in several liquid sensor concepts that launched the field of phononic crystal liquid sensors. In this work we introduce a nove

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22

Chen, Yung-Yu, Li-Chung Huang, Wei-Shan Wang, et al. "Acoustic interference suppression of quartz crystal microbalance sensor arrays utilizing phononic crystals." Applied Physics Letters 102, no. 15 (2013): 153514. http://dx.doi.org/10.1063/1.4802781.

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23

Lucklum, R., M. Zubtsov, M. Ke, B. Henning, and U. Hempel. "2D Phononic Crystal Sensor with Normal Incidence of Sound." Procedia Engineering 25 (2011): 787–90. http://dx.doi.org/10.1016/j.proeng.2011.12.193.

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24

Zubtsov, M., R. Lucklum, M. Ke, et al. "2D phononic crystal sensor with normal incidence of sound." Sensors and Actuators A: Physical 186 (October 2012): 118–24. http://dx.doi.org/10.1016/j.sna.2012.03.017.

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25

Gharibi, Hamed, Aynaz Khaligh, Ali Bahrami, and Habib Badri Ghavifekr. "A very high sensitive interferometric phononic crystal liquid sensor." Journal of Molecular Liquids 296 (December 2019): 111878. http://dx.doi.org/10.1016/j.molliq.2019.111878.

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26

Schmidt, Marc-Peter, Aleksandr Oseev, Ralf Lucklum, Mikhail Zubtsov, and Soeren Hirsch. "SAW based phononic crystal sensor, technological challenges and solutions." Microsystem Technologies 22, no. 7 (2016): 1593–99. http://dx.doi.org/10.1007/s00542-015-2781-3.

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27

Rahimi, Mohammadreza, and Ali Bahrami. "Phononic crystal sensor-demultiplexer for detection of benzene isomers." Optik 287 (September 2023): 171112. http://dx.doi.org/10.1016/j.ijleo.2023.171112.

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28

Han, Jianning, Guodong Hao, Wenying Yang, and Xinsa Zhao. "Phononic Crystal Coupled Mie Structure for Acoustic Amplification." Crystals 13, no. 8 (2023): 1196. http://dx.doi.org/10.3390/cryst13081196.

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In the field of industrial structure detection, acoustic signals have been pivotal. A cost-effective and highly sensitive acoustic monitoring system that can enhance weak acoustic signals has always been an interesting topic in many research fields. However, environmental noise signals have consistently hindered the improvement of the signal-to-noise ratio (SNR) of traditional acoustic systems. In this work, we propose a structure (PC-Mie) that couples phononic crystal (PC) point defects and Mie resonance structures (Mies) to enhance weak effective signals from complex environments. Numerical

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29

Khaligh, Aynaz, Ali Bahrami, and Habib Badri Ghavifekr. "Phononic crystal sensor for high-sensitive detection of heavy metal concentrations." Physica Scripta 100, no. 3 (2025): 035955. https://doi.org/10.1088/1402-4896/adb461.

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Abstract The aim of this study is to introduces an innovative, high-sensitive ultrasonic sensor using phononic crystal technology. It is specifically engineered to detect low-level concentrations of CdBr 2 , which is recognized as a heavy metal ion exhibiting significant levels of toxicity and capable of infiltrating freshwater through various human activities. The proposed sensor is composed of a periodic pattern of tungsten rods on the poly methyl methacrylate substrate. To enhance sensor sensitivity, the method of destructive interference has been employed. This work demonstrates that varyi

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30

Mehaney, A. "Biodiesel Physical Properties Detection Using One-Dimensional Phononic Crystal Sensor." Acoustical Physics 65, no. 4 (2019): 374–78. http://dx.doi.org/10.1134/s1063771019040122.

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31

Zubtsov, M., and R. Lucklum. "Tailoring 2D phononic crystal sensor properties by lattice symmetry reduction." Procedia Engineering 5 (2010): 1284–87. http://dx.doi.org/10.1016/j.proeng.2010.09.348.

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32

Shehatah, Abd Allah, and Ahmed Mehaney. "Temperature influences on the performance of biodiesel phononic crystal sensor." Materials Research Express 6, no. 12 (2020): 125556. http://dx.doi.org/10.1088/2053-1591/ab7404.

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33

Oseev, A., M. Zubtsov, and R. Lucklum. "Octane Number Determination of Gasoline with a Phononic Crystal Sensor." Procedia Engineering 47 (2012): 1382–85. http://dx.doi.org/10.1016/j.proeng.2012.09.414.

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34

Lucklum, Ralf, Manzhu Ke, and Mikhail Zubtsov. "Two-dimensional phononic crystal sensor based on a cavity mode." Sensors and Actuators B: Chemical 171-172 (August 2012): 271–77. http://dx.doi.org/10.1016/j.snb.2012.03.063.

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35

Wang, Chia-Fu, Junghyun Wee, and Kara Peters. "Amplifying Lamb Wave Detection for Fiber Bragg Grating with a Phononic Crystal GRIN Lens Waveguide." Sensors 22, no. 21 (2022): 8426. http://dx.doi.org/10.3390/s22218426.

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This paper demonstrates that a graded-index (GRIN) phononic lens, combined with a channel waveguide, can focus anti-symmetric Lamb waves for extraction by a detector with strong directional sensitivity. Guided ultrasonic wave inspection is commonly applied for structural health monitoring applications; however, obtaining sufficient signal amplitude is a challenge. In addition, fiber Bragg grating (FBG) sensors have strong directional sensitivity. We fabricate the GRIN structure, followed by a channel waveguide starting at the focal point, using a commercial 3D printer and mount it on a thin al

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36

Sayed, Ahmed G., Ali Hajjiah, Mehdi Tlija, et al. "Enhanced Performance of Fluidic Phononic Crystal Sensors Using Different Quasi-Periodic Crystals." Crystals 14, no. 11 (2024): 925. http://dx.doi.org/10.3390/cryst14110925.

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In this paper, we introduce a comprehensive theoretical study to obtain an optimal highly sensitive fluidic sensor based on the one-dimensional phononic crystal (PnC). The mainstay of this study strongly depends on the high impedance mismatching due to the irregularity of the considered quasi-periodic structure, which in turn can provide better performance compared to the periodic PnC designs. In this regard, we performed the detection and monitoring of the different concentrations of lead nitrate (Pb(NO3)2) and identified it as being a dangerous aqueous solution. Here, a defect layer was intr

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37

谢, 云涛. "Application of Two-Dimensional Phononic Crystal Sensor in Glucose Concentration Measurement." Journal of Sensor Technology and Application 10, no. 02 (2022): 75–83. http://dx.doi.org/10.12677/jsta.2022.102010.

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38

Aliqab, Khaled, Hussein A. Elsayed, Meshari Alsharari, Ammar Armghan, Ashour M. Ahmed, and Ahmed Mehaney. "Enhanced Sensitivity of Binary/Ternary Locally Resonant Porous Phononic Crystal Sensors for Sulfuric Acid Detection: A New Class of Fluidic-Based Biosensors." Biosensors 13, no. 7 (2023): 683. http://dx.doi.org/10.3390/bios13070683.

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This research presented a comprehensive study of a one-dimensional (1D) porous silicon phononic crystal design as a novel fluidic sensor. The proposed sensor is designed to detect sulfuric acid (H2SO4) within a narrow concentration range of 0–15%. Sulfuric acid is a mineral acid extensively utilized in various physical, chemical, and industrial applications. Undoubtedly, its concentration, particularly at lower levels, plays a pivotal role in these applications. Hence, there is an urgent demand for a highly accurate and sensitive tool to monitor even the slightest changes in its concentration,

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39

Zaki, Shrouk E., Ahmed Mehaney, Hekmat M. Hassanein, and Arafa H. Aly. "High-performance liquid sensor based one-dimensional phononic crystal with demultiplexing capability." Materials Today Communications 26 (March 2021): 102045. http://dx.doi.org/10.1016/j.mtcomm.2021.102045.

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40

Mukhin, N. V., М. М. Kutia та E. S. Borodacheva. "SENSOR STRUCTURE ON THE BASIS OF PHONONIC CRYSTAL PLACED BETWEEN PIEZOELECTRIC TRANSDUСERS". Vestnik of Ryazan State Radio Engineering University 68 (2019): 97–104. http://dx.doi.org/10.21667/1995-4565-2019-68-2-97-104.

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41

Lucklum, R., M. Zubtsov, and Manzhu Ke. "Liquid sensor utilizing a regular phononic crystal with normal incidence of sound." IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control 59, no. 3 (2012): 463–71. http://dx.doi.org/10.1109/tuffc.2012.2216.

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42

Shu, Zhenzhao, Gongye Zhang, Yu Cong, and Shuitao Gu. "Size effects on a one-dimensional defective phononic crystal sensor." Smart Materials and Structures, October 11, 2023. http://dx.doi.org/10.1088/1361-665x/ad026c.

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Abstract The influence of size effects on one-dimensional defective phononic crystal sensors based on simplified strain gradient elasticity theory is studied in this paper. Phononic crystals have been widely used in high-sensitivity gas and liquid sensors by introducing defects to disrupt the perfect phononic crystal modes. In comparison with classical elasticity theory, the simplified strain gradient elasticity theory includes two microstructure-related material parameters that can accurately reflect the size effects of the structure. In this paper, the stiffness matrix method was used to cal

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43

Heravi, Farhad Javanpour, Hussein A. Elsayed, Walied Sabra, and Ahmed Mehaney. "Ultra-sensitive one-dimensional phononic crystals temperature sensor: theoretical optimization." Zeitschrift für Naturforschung A, January 20, 2023. http://dx.doi.org/10.1515/zna-2022-0262.

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Abstract The present study intends to solve the problem of low-temperature sensitivity of most conventional period materials. A solid/solid one-dimensional phononic crystal design is proposed as a pragmatic thermal sensor. Here, each unit cell of the proposed phononic crystal sensor is designed from epoxy and concrete. In this structure, irregularity in layers’ arrangement results in the generation of resonant peaks at the transmission spectrum. The irregularity is introduced to the system by stacking two mirror phononic crystals to form a whole symmetric phononic crystal design. Thermal varia

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44

Zaki, Shrouk E., and Mohamed A. Basyooni. "Ultra-sensitive gas sensor based fano resonance modes in periodic and fibonacci quasi-periodic Pt/PtS2 structures." Scientific Reports 12, no. 1 (2022). http://dx.doi.org/10.1038/s41598-022-13898-4.

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AbstractUltra-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. We introduced a novel composite based on metal/2D transition metal dichalcogenides (TMDs), namely; platinum/platinum disulfide (Pt/PtS2) composite materials. Our gas sensors were built based on the periodic and quasi-periodic phononic crystal structures of simple Fibonacci (F(5)) and generalized Fibonacci (FC(7, 1)) quasi-periodic phononic crystal structures. The FC(7, 1) structure represented the highest se

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45

Ke, Manzhu, Mikhail Zubtsov, and Ralf Lucklum. "Sub-wavelength phononic crystal liquid sensor." Journal of Applied Physics 110 (July 18, 2011). https://doi.org/10.1063/1.3610391.

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We introduce an acoustic liquid sensor based on phononic crystals consisting of steel plate with an array of holes filled with liquid. We both theoretically and experimentally demonstrate sensor properties considering the mechanism of the extraordinary acoustic transmission as underlying phenomenon. The frequency of this resonant transmission peak is shown to rely on the speed of sound of the liquid, and the resonant frequency can be used as a measure of speed of sound and related properties, like concentration of a component in the liquid mixture. The finite-difference time domain method has

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46

Zhu, Tong, Tingting WANG, Hong-Tao Zhou, Yan-Feng Wang, and Yue-Sheng Wang. "Reconfigurable phononic crystal sensor for liquid detection." Smart Materials and Structures, January 11, 2024. http://dx.doi.org/10.1088/1361-665x/ad1d71.

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Abstract We propose a reconfigurable phononic crystal (PnC) for detecting the concentration of solutes in liquids. The designed PnC consists of liquid-filled hollow pillars and connecting bars. The finite element method is used to calculate the transmission spectra and band structures of PnC filled with various liquids. We fabricate 3D printed samples and conduct corresponding experiments. The results show that sound velocity is the key parameter affecting the frequency of the passing band. As the sound velocity increases, the resonance frequency shifts down. For both NaCl solution and ethanol

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47

Fang, Tian-Yin, Xiao-Wei Sun, Xiao-Dong Wen, et al. "High-performance phononic crystal sensing structure for acetone solution concentration sensing." Scientific Reports 13, no. 1 (2023). http://dx.doi.org/10.1038/s41598-023-34226-4.

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AbstractA two-dimensional phononic crystal sensor model with high-quality factor and excellent sensitivity for sensing acetone solutions and operating at 25–45 kHz is proposed. The model for filling solution cavities is based on reference designs of quasi-crystal and gradient cavity structures. The transmission spectrum of sensor is simulated by the finite element method. High-quality factor of 45,793.06 and sensitivity of 80,166.67 Hz are obtained for the acetone concentration with 1–9.1%, and quality factor of 61,438.09 and sensitivity of 24,400.00 Hz are obtained for the acetone concentrati

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48

Cleland, Agnetta Y., E. Alex Wollack, and Amir H. Safavi-Naeini. "Studying phonon coherence with a quantum sensor." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-48306-0.

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AbstractNanomechanical oscillators offer numerous advantages for quantum technologies. Their integration with superconducting qubits shows promise for hardware-efficient quantum error-correction protocols involving superpositions of mechanical coherent states. Limitations of this approach include mechanical decoherence processes, particularly two-level system (TLS) defects, which have been widely studied using classical fields and detectors. In this manuscript, we use a superconducting qubit as a quantum sensor to perform phonon number-resolved measurements on a piezoelectrically coupled phono

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Cao, Dongxing, Sha-Sha Li, xiangying guo, Xu-Min Chen, and S. K. LAI. "Buckling-driven piezoelectric defect-induced energy localization and harvesting using a Rubik’s cube-inspired phononic crystal structure." Smart Materials and Structures, February 2, 2024. http://dx.doi.org/10.1088/1361-665x/ad254a.

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Abstract Wireless sensor networks that enable advanced Internet of Things (IoT) applications have experienced significant development. However, low-power electronics are limited by battery lifetime. Energy harvesting presents a solution for self-powered technologies. Vibration-based energy harvesting technology is one of the effective approaches to convert ambient mechanical energy into electrical energy. Various dynamic oscillating systems have been proposed to investigate the effectiveness of energizing low-power electronic sensor devices for supporting various IoT applications across engine

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Zaky, Zaky A., M. A. Mohaseb, Ahmed S. Hendy, and Arafa H. Aly. "Design of phononic crystal using open resonators as harmful gases sensor." Scientific Reports 13, no. 1 (2023). http://dx.doi.org/10.1038/s41598-023-36216-y.

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AbstractThis paper investigates the ability to use a finite one-dimensional phononic crystal composed of branched open resonators with a horizontal defect to detect the concentration of harmful gases such as CO2. This research investigates the impact of periodic open resonators, defect duct at the center of the structure, and geometrical parameters such as cross-sections and length of the primary waveguide and resonators on the model's performance. As far as we know, this research is unique in the sensing field. Furthermore, these simulations show that the investigated finite one-dimensional p

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