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- Title
Investigation on Mass Sensitivity of N-M Type Electrode Quartz Crystal Microbalance.
- Authors
Chen, Qiao; Huang, Xianhe; Pan, Wei; Xu, Yuan; Fan, Zhichao
- Abstract
Mass sensitivity plays a crucial role in the practical application of quartz crystal microbalances (QCMs)-based quantitative analysis. n-m type QCMs have many applications, so it is necessary to clarify the relationship between the mass sensitivity and the electrode of the n-m type QCM. The performance of gold-plated films with different electrodes was studied by theoretical calculation and experiment. The results show that the mass sensitivity on the surface of the n electrode and the surface of the m electrode are essentially the same. Meanwhile, the mass sensitivity of n-m type QCMs varies with the diameter of the n and m electrodes. When the diameter of the n electrode is close to half the diameter of the m electrode, mass sensitivity is at maximum value. These results are important for the further designs and applications of n-m type QCMs.
- Subjects
PLATE; QUARTZ crystal microbalances; SENSITIVITY analysis; GOLD-plating; METALLIC films
- Publication
Sensors (14248220), 2019, Vol 19, Issue 9, p2125
- ISSN
1424-8220
- Publication type
Letter
- DOI
10.3390/s19092125