A near spurious-free 6 GHz LLSAW resonator with large electromechanical coupling on X-cut LiNbO3/SiC bilayer substrate

P Liu, S Fu, R Su, H Xu, B Xiao, C Song, F Zeng… - Applied Physics …, 2023 - pubs.aip.org
The fast development of the fifth-generation (5G) wireless systems and substantial growth of
data usage have imposed stringent requirements for high-frequency and wideband radio …

Investigation on the temperature coefficient of frequency performance of LiNbO3 on quartz and glass surface acoustic wave resonators

Y Guo, M Kadota, S Tanaka - Japanese Journal of Applied …, 2023 - iopscience.iop.org
High impedance ratio (Z-ratio), low temperature coefficient of frequency (TCF) and spurious
free characteristic are three main requirements for surface acoustic wave (SAW) resonators …

Tilted IDT Designs for Spurious Modes Suppression in LiNbO/SiO/Si SAW Resonators

S Wu, Z Wu, H Qian, M Li, F Bao… - … on Electron Devices, 2023 - ieeexplore.ieee.org
High-performance wideband acoustic filters are urgently needed for communication systems
with large volumes of data. Recently, multilayered surface acoustic wave (SAW) resonators …

A Spurious-Free SAW Resonator with Near-Zero TCF Using LiNbO3/SiO2/quartz

P Liu, X Zhou, S Fu, R Su, H Xu, B Xiao… - IEEE Electron …, 2023 - ieeexplore.ieee.org
As a promising material alternative, lithium niobate (LN)-based heterostructure has recently
received growing recognition in the field of radio frequency (RF) wideband filtering …

Harnessing Acoustic Dispersions in YX-LN/SiO2/Si SH-SAW Resonators for Electromechanical Coupling Optimization and Rayleigh Mode Suppression

TH Hsu, ZQ Lee, CH Tsai, CC Lin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this study, we investigate the dispersive behavior of the electromechanical coupling
coefficient () for shear-horizontal (SH) and Rayleigh surface acoustic wave (SAW) modes in …

Hetero Acoustic Layer Surface Acoustic Wave Resonator Composed of LiNbO3 and Quartz

Y Guo, M Kadota, S Tanaka - IEEE Transactions on Ultrasonics …, 2023 - ieeexplore.ieee.org
In this work, a shear-horizontal (SH) mode surface acoustic wave (SAW) resonator based on
LiNbO3 (LN)/Quartz (Qz) hetero acoustic layer (HAL) structure was studied by simulation …

Suppression of Transverse Modes in 50°YX-LiTaO3/SiO2/Si POI SAW Resonator with Groove Configuration

M Li, M Qi, Y Chen, Y Cheng, L Cao… - ACS Applied Materials & …, 2024 - ACS Publications
With the rapid development of mobile communication technology, the POI (piezoelectric on
insulator) structure has gained recognition in the field of RF filtering. However, transverse …

A laterally excited bulk acoustic resonator with scattering vias in electrodes

Z Wen, W Liu, T Luo, X Tong, Y Xie, X Gu, Y Liu… - Applied Physics …, 2023 - pubs.aip.org
Laterally excited bulk acoustic resonators (XBARs) using interdigital electrodes are currently
limited in potential 5G applications due to the accompanied spurious modes and small …

Special topic on Wide-and ultrawide-bandgap electronic semiconductor devices

J Würfl, T Palacios, HG Xing, Y Hao… - Applied Physics …, 2024 - pubs.aip.org
Despite the tremendous progress on wide-bandgap materials in the last few decades,
devices made of these materials are still far from their maximum theoretical performance …

Heterogeneous integration of lithium tantalate thin film on quartz for high performance surface acoustic wave resonator

Y Chen, J Wu, X Zhao, Z Li, X Ke… - Japanese Journal of …, 2022 - iopscience.iop.org
Surface acoustic wave (SAW) resonator based on the piezo film on a foreign substrate is
promising to enhance the performance of radio frequency filters. In this work, the 4 inch …