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. 2024 Jan 3;19(4):494–503. doi: 10.1038/s41565-023-01567-0

Extended Data Fig. 3. Comparable force responses of the cantilever picospring for modulus characterization and the microforcemeter.

Extended Data Fig. 3

(a) Deflection curves of the cantilever picospring according to experimental results and FEA results. Comparison of blank samples between measured and simulated curves: F value = 0.0081 (ANOVA), Pearson correlation coefficient = 0.9926. Comparison of the magnetic samples between measured and simulated curves: F value = 0.0038 (ANOVA), Pearson correlation coefficient = 0.9984. Measured data are presented as mean ± s.d. (n = 3 picosprings). (b) Comparable geometric characteristics of the microforcemeter used for force measurement (left) and the cantilever picospring used for modulus characterization (right). (c) 3D-reconstructed image of the microforcemeter taken by confocal laser scanning microscopy (CLSM). Inset: optical image. (d) and (e) Highly consistent bending curves of the microforcemeter and cantilever picospring according to FEA simulations. (f) Simulated deflections of these two devices under loads.

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