Science Advances

Supplementary Materials

This PDF file includes:

  • fig. S1. Fourier transform of the PFIR trace.
  • fig. S2. Power dependence of the baseline offset amplitude.
  • fig. S3. Mechanical behaviors and power dependence of PMMA.
  • fig. S4. Comparison between the cantilever oscillation amplitude and baseline offset in PFIR microscopy on the PS-b-PMMA block copolymer.
  • fig. S5. Deformation map of perovskite from peak force tapping microscopy.
  • fig. S6. Detailed PFIR image of a 400-nm × 400-nm region of the PS-b-PMMA block copolymer.
  • fig. S7. Procedure to calibrate the tip radius for PFIR microscopy.
  • fig. S8. PFIR images with different peak force set points.
  • fig. S9. The spectra of PTFE with different peak force set points.

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