Effect of Electrode Thickness on Quality Factor of Ring Electrode QCM Sensor.

Zhenfang Wei, Jianguo Hu, Yuanyuan Li, Jing Chen

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Humidity Sensors Based on Metal-Organic Frameworks.Nanomaterials (Basel, Switzerland) · 2022
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5 · Who and what money

Authors and funding

4 authors.

Zhenfang WeiSchool of Integrated Circuits, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China.

Jianguo HuSchool of Integrated Circuits, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China.

Yuanyuan LiSchool of Integrated Circuits, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China.

Jing ChenSchool of Integrated Circuits, Beijing National Research Center for Information Science and Technology (BNRist), Tsinghua University, Beijing 100084, China.

Funding

China Scholarship Council 201806070063

6 · The paper itself

Abstract

As a key type of sensor, the quartz crystal microbalance (QCM) has been widely used in many research areas. Recently, the ring electrode QCM sensor (R-QCM) with more uniform mass sensitivity has been reported. However, the quality factor (Q-factor) of the R-QCM has still not been studied, especially regarding the effect of electrode thickness on the Q-factor. Considering that the Q-factor is one of crucial parameter to the QCM and it is closely related to the output frequency stability of the QCM, we study the effect of different electrode thicknesses on the Q-factor of the R-QCM in this paper. On the other hand, we clarify the relationship between the electrode thickness and the Q-factor of the R-QCM. The measurement results show that the average Q-factor increases with increases in the thickness of ring electrodes generally; however, the resonance frequency of the QCM resonator decreases with increases in the thickness. The low half-bandwidth (2Γ < 1630 Hz) of the R-QCM shows that the frequency performance is good. Additionally, the R-QCM has a higher Q-factor (Q > 6000), which indicates that it has a higher frequency stability and can be applied in many research areas.

Indexed as

Biosensing TechniquesQuartz Crystal Microbalance TechniquesElectrodesQuartzQuartzelectrode thicknessQCMquality factorring electrode

Identifiers

PMID35890839

DOI10.3390/s22145159

PMCPMC9320733

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