Journal article

Note: Improved calibration of atomic force microscope cantilevers using multiple reference cantilevers

John E Sader, James R Friend

Review of Scientific Instruments | AMER INST PHYSICS | Published : 2015

Abstract

Overall precision of the simplified calibration method in J. E. Sader et al., Rev. Sci. Instrum. 83, 103705 (2012), Sec. III D, is dominated by the spring constant of the reference cantilever. The question arises: How does one take measurements from multiple reference cantilevers, and combine these results, to improve uncertainty of the reference cantilever's spring constant and hence the overall precision of the method? This question is addressed in this note. Its answer enables manufacturers to specify of a single set of data for the spring constant, resonant frequency, and quality factor, from measurements on multiple reference cantilevers. With this data set, users can trivially calibrat..

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University of Melbourne Researchers

Grants

Funding Acknowledgements

The authors gratefully acknowledge support from the Australian Research Council Grants Scheme.