Acoustic radiation-free surface phononic crystal resonator for in-liquid low-noise gravimetric detection

F Gao, A Bermak, S Benchabane, L Robert… - Microsystems & …, 2021 - nature.com
Acoustic wave resonators are promising candidates for gravimetric biosensing. However,
they generally suffer from strong acoustic radiation in liquid, which limits their quality factor …

[HTML][HTML] Physical Sensors Based on Lamb Wave Resonators

Z Yu, Y Yue, Z Liang, X Zhao, F Li, W Peng, Q Zhu… - Micromachines, 2024 - mdpi.com
A Lamb wave is a guided wave that propagates within plate-like structures, with its vibration
mode resulting from the coupling of a longitudinal wave and a shear vertical wave, which …

Phononic crystal made of silicon ridges on a membrane for liquid sensing

A Gueddida, V Zhang, L Carpentier, J Bonhomme… - Sensors, 2023 - mdpi.com
We propose the design of a phononic crystal to sense the acoustic properties of a liquid that
is constituted by an array of silicon ridges on a membrane. In contrast to other concepts, the …

Dual-Resonator-Based (DRB) and Multiple-Resonator-Based (MRB) MEMS Sensors: A Review

Y Zhu, Z Zhao, Z Fang, L Du - Micromachines, 2021 - mdpi.com
Single-resonator-based (SRB) sensors have thrived in many sensing applications. However,
they cannot meet the high-sensitivity requirement of future high-end markets such as ultra …

Microfluidic QCM enables ultrahigh Q-factor: a new paradigm for in-liquid gravimetric sensing

Y Zhao, Z Parlak, W Yu, D French, W Aquino… - Microsystems & …, 2024 - nature.com
Acoustic gravimetric biosensors attract attention due to their simplicity, robustness, and low
cost. However, a prevailing challenge in these sensors is dissipation which manifests in a …

A High-Sensitivity Gravimetric Biosensor Based on S1 Mode Lamb Wave Resonator

T Luo, W Liu, Z Wen, Y Xie, X Tong, Y Cai, Y Liu, C Sun - Sensors, 2022 - mdpi.com
The development of MEMS acoustic resonators meets the increasing demand for in situ
detection with a higher performance and smaller size. In this paper, a lithium niobate film …

Higher-order Lamb waves with quasi-zero surface displacement components on a GaAs piezoelectric plate

M Hamidullah, C Élie-Caille… - Journal of Physics D …, 2021 - iopscience.iop.org
Higher-order Lamb waves with quasi-zero surface displacement components are reported
on (100)-cut GaAs propagating along the< 110> direction where the total displacement at …

Acoustic sensor based on a cylindrical resonator for monitoring a liquid flow

A Gueddida, Y Pennec, AL Silveira Fiates… - Crystals, 2022 - mdpi.com
We present a numerical investigation of an acoustic sensor based on a cylindrical resonator
to monitor the acoustic properties of liquids flowing in a tube. The sensor design consists of …

[HTML][HTML] Nonlinear effects in locally resonant nanostrip phononic metasurface at GHz frequencies

F Gao, A Bermak, S Benchabane, M Raschetti… - Applied Physics …, 2021 - pubs.aip.org
In this paper, we report on the observation of nonlinear effects in a nanostrip phononic
metasurface (NPM) that enable the tuning of resonance frequencies at 1.42 GHz. The NPM …

The effect of busbar structure on Q factor enhancement and spurious mode suppression in Lamb wave resonators

Q Xu, Y Zou, C Gao, X Chen, J Zhou, X Tong… - Applied Physics …, 2024 - pubs.aip.org
Lamb wave resonators (LWRs) exhibiting high-quality factors and clean spectra
demonstrate promising applications in RF communication and sensing. This paper …