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Energy-Trapping Characteristics of Lateral Field Excited GdCOB Crystal Bulk Acoustic Wave Devices Based on Stepped Electrodes.
Wu, Bowei; Kang, Pengfei; Ma, Tingfeng; Yao, Yuming; Gan, Ning; Li, Peng; Qian, Zhenghua; Kuznetsova, Iren; Nedospasov, Ilya; Hu, Wenhui.
Afiliação
  • Wu B; School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China.
  • Kang P; School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China.
  • Ma T; School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo 315211, China.
  • Yao Y; Keli Sensing Technology (Ningbo) Co., Ltd., Ningbo 315033, China.
  • Gan N; School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
  • Li P; The State Key Laboratory of Mechanics and Control of Mechanical Structures, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
  • Qian Z; The State Key Laboratory of Mechanics and Control of Mechanical Structures, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.
  • Kuznetsova I; Kotelnikov Institute of Radio Engineering and Electronics of RAS, 125009 Moscow, Russia.
  • Nedospasov I; Kotelnikov Institute of Radio Engineering and Electronics of RAS, 125009 Moscow, Russia.
  • Hu W; Keli Sensing Technology (Ningbo) Co., Ltd., Ningbo 315033, China.
Micromachines (Basel) ; 14(12)2023 Nov 27.
Article em En | MEDLINE | ID: mdl-38138331
ABSTRACT
In this work, high-frequency forced vibrations of lateral field excitation (LFE) devices with stepped electrodes based on monoclinic crystals GdCOB are modeled, and the influence laws of the device parameters (the step number, size, and thickness of the stepped electrodes) on the energy-trapping effects of the device are revealed. The results show that the step number has a significant effect on the energy-trapping effect of the device with the increase in the step number, the stronger energy-trapping effect of the device can be obtained; with the increase in the thickness difference of two layers of electrodes, the energy-trapping effect of the device becomes stronger; with the increase in the difference of the electrode radius, the energy-trapping effect of the device is enhanced gradually. The results of this work can provide an important theoretical basis for the design of stepped-electrode LFE resonators and sensors with high-quality factors based on monoclinic crystals.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article
Texto completo
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XML
PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article