Fig. 3
From: Broad modulus range nanomechanical mapping by magnetic-drive soft probes
Nanomechanical maps of the PDMS and HOPG surfaces using Probe I in air. a–e PDMS topography image and the maps of adhesion, indentation, contact stiffness and reduced elastic modulus. f Cross-section along the line shown in a. g–j Corresponding histograms obtained from b to e. k–o HOPG topography image and maps of adhesion, indentation, contact stiffness and elastic modulus. p Cross-section along the line shown in k. q–t Corresponding histograms obtained from l to o. Scale bar, 500 nm
