An analytical model for thermoelastic damping in laminated microring resonators

L Zheng, Z Wu, S Wen, F Li - Applied Mathematical Modelling, 2023 - Elsevier
Predicting thermoelastic damping (TED) is crucial in the design of micro-resonators with
high quality factors. Until now, some analytical models have been developed to evaluate the …

Acoustic add-drop filters based on phononic crystal ring resonators

B Rostami-Dogolsara, MK Moravvej-Farshi, F Nazari - Physical Review B, 2016 - APS
We report the design procedure for an acoustic add-drop filter (ADF) composed of two line-
defect waveguides coupled through a ring resonator cavity (RRC) all based on a phononic …

Anchor loss reduction in AlN Lamb wave resonators using phononic crystal strip tethers

CM Lin, JC Hsu, DG Senesky… - 2014 IEEE International …, 2014 - ieeexplore.ieee.org
Formation of allowed and stopped frequency bands of elastic wave propagation in the
periodic media, also known as phononic crystal (PnC), recently has attracted great attention …

Ultra-wide acoustic band gaps in pillar-based phononic crystal strips

E Coffy, T Lavergne, M Addouche… - Journal of Applied …, 2015 - pubs.aip.org
An original approach for designing a one dimensional phononic crystal strip with an ultra-
wide band gap is presented. The strip consists of periodic pillars erected on a tailored beam …

Low-frequency band gap in cross-like holey phononic crystal strip

S Jiang, H Hu, V Laude - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
A silicon-based cross-like holey phononic crystal (PnC) strip is proposed for the control of
elastic waves in the field of micro-electro-mechanical systems (MEMS). The goal is to obtain …

Wide acoustic bandgap solid disk-shaped phononic crystal anchoring boundaries for enhancing quality factor in AlN-on-Si MEMS resonators

MWU Siddiqi, JEY Lee - Micromachines, 2018 - mdpi.com
This paper demonstrates the four fold enhancement in quality factor (Q) of a very high
frequency (VHF) band piezoelectric Aluminum Nitride (AlN) on Silicon (Si) Lamb mode …

Figure of merit enhancement of laterally vibrating rf-mems resonators via energy-preserving addendum frame

TB Workie, Z Wu, P Tang, J Bao, K Hashimoto - Micromachines, 2022 - mdpi.com
This paper examines a new technique to improve the figure of merit of laterally vibrating RF-
MEMS resonators through an energy-preserving suspended addendum frame structure …

Application of optimally-shaped phononic crystals to reduce anchor losses of MEMS resonators

R Ardito, M Cremonesi… - 2016 IEEE …, 2016 - ieeexplore.ieee.org
This work is focused on the application of Phononic Crystals to reduce anchor losses of
MEMS contour mode resonators. Anchor losses dominates the losses in these type of …

[HTML][HTML] Approaching the intrinsic quality factor limit for micromechanical bulk acoustic resonators using phononic crystal tethers

VJ Gokhale, JJ Gorman - Applied physics letters, 2017 - pubs.aip.org
We systematically demonstrate that one-dimensional phononic crystal (1-D PnC) tethers can
significantly reduce tether loss in micromechanical resonators to a point where the total …

Anchor quality factor improvement of a piezoelectrically-excited MEMS resonator using window-like phononic crystal strip

TD Ha - International Journal of Mechanics and Materials in …, 2023 - Springer
Owning a superior quality factor (Q) helps contribute to the advantages of
microelectromechanical systems (MEMS) resonators due to its impact on the performance of …