Journal
APPLIED SCIENCES-BASEL
Volume 7, Issue 2, Pages -Publisher
MDPI AG
DOI: 10.3390/app7020121
Keywords
tuning fork; bimodal AFM; electromechanical coupling model; power dissipation
Categories
Funding
- National Natural Science Fund [51675379]
- Tianjin Natural Science Fund [14JCZDJC39400, 13JCQNJC04700]
- 111 Project fund [B07014]
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A new electromechanical coupling model was built to quantitatively analyze the tuning fork probes, especially the complex ones. A special feature of a novel, soft tuning fork probe, that the second eigenfrequency of the probe was insensitive to the effective force gradient, was found and used in a homemade bimodal atomic force microscopy to measure power dissipation quantitatively. By transforming the mechanical parameters to the electrical parameters, a monotonous and concise method without using phase to calculate the power dissipation was proposed.
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