Qiaozhen Zhang

Toward a 10 GHz High-Order Surface Acoustic Wave Resonator: A Finite-Element Study on LiNbO3/SiC Heterostructure Incorporating Embedded Electrodes

Yixuan Wang, Hao Li, Qiong Wu, Tianxiang Wu et autres

The escalating demand for high-frequency acoustic devices in 5G/6G communications imposes stringent requirements on surface acoustic wave (SAW) resonators, including high operating frequency, large electromechanical coupling coefficient K2, and high quality factor Q. However, conventional SAW devices suffer from severe trade-offs among …

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A Modified pMUT With Electrode Engineering for Low Bending and Enhanced Transmitting Performance

Zepeng Wu, Lihong Yang, Shicheng Zhao, Yicheng Wang et autres

Temperature-stabilized, low-loss wideband SAW resonator filter based on high-coupling lithium niobate thin film

Yang Chang, Xucheng Li, Qiaozhen Zhang, Shuxian Wu et autres

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Orbital-mediated local symmetry in ScAlN probed by scandium K-edge XAFS

Jianqiu Zhu, Xiaonan Liu, Jiye Yang, Qian Sun et autres

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Wave Apodization to Suppress Transverse Modes and Third-order Intermodulation Distortion in POI-SAW Resonators

Guangyao Lv, Qiaozhen Zhang, Baichuan Li, Sulei Fu et autres

The growing complexity of RF front-ends in modern mobile communications has put tremendous pressure on improving the performance of SAW devices. Wave apodization of the interdigital transducer (IDT) is a widely used technique for improved linear in SAW devices. However, its influence …

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IDT / Dummy Finger Gap Optimization for Q-Enhancement and Transverse-Mode Reduction in SH-SAW Resonators on SiC Substrate

Feng Yang, Zonglin Wu, Jiang Liu, Hangyu Qian et autres

This study demonstrates that optimizing the gap geometry between interdigital transducers (IDTs) and dummy fingers to reduce transverse spurious modes and enhance quality factor (Q) of shear-horizontal surface acoustic wave (SH-SAW) resonators. The proposed gap functions as a strong energy barrier that …

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Growth of <111>‐Oriented Pb(In 1/2 Nb 1/2 )O 3 –Pb(Mg 1/3 Nb 2/3 )O 3 –PbTiO 3 thin films with enhanced pyroelectric performance

Zhao Xiaotong, Huixia Jia, Yichen Shen, Xinyi Yang et autres

Abstract The performance of pyroelectric thin films—a crucial component in infrared detectors—dictates the sensitivity and functionality of pyroelectric MEMS arrays. Here, we report the growth of high‐quality, <111>‐oriented ternary 0.36Pb(In 1/2 Nb 1/2 )O 3 –0.36Pb(Mg 1/3 Nb 2/3 )O 3 –0.28PbTiO …

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Complete mitochondrial DNA sequence analysis in patients with major depressive disorder

Xiaopeng Yin, Ye Fu, Haihang Yu, Fangmin Wang et autres

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Spurious-Free TF-SAW Resonators Improved Q Using Double Busbar and Thermal Annealing

Feng Yang, Zonglin Wu, Hangyu Qian, Guanghui Zhao et autres

In this work, high performance surface acoustic wave (SAW) resonators are proposed, using piston mode to suppress transverse modes, and double busbar structure together with thermal annealing to improve quality factor (Q). Firstly, the effectiveness of the electrode structure design was validated …

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A Modified Butterfly Structure for Quality Factor Improvement in Lamb Wave Resonators

Xucheng Li, Zonglin Wu, Shang Wang, Yang Chang et autres

Acoustic resonators, especially Lamb Wave Resonators (LWRs), are emerging as key components for on-chip sensing systems due to their compact size and exceptional frequency selectivity. However, they suffer from anchor loss, which degrades their quality factor (Q) and compromises the resolution of …

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Three-Stage Suspended Frames for Quality Factor Improvement in Lamb Wave Resonators

Shang Wang, Shuxian Wu, Xucheng Li, Feihong Bao et autres

Recently, aluminum nitride (AlN) lamb wave resonators (LWRs) have gained considerable attention due to their unique advantages, including multifrequency operation on a single chip and moderate electromechanical coupling coefficient (k2). A major challenge in the practical application of LWRs is the need …

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One-dimensional analytical model for nonlinear forced vibrations in thickness–extensional film bulk acoustic resonators

Zinan Zhao, Guangyao Lv, Qiaozhen Zhang, Xiangyong Zhao et autres

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