Ananth ForceVolumeImage University_of_Regensburg FrequencyModulation LateralForceMicroscopy CastIron MagneticPhase Step Beads mfm_amplitude Terrace Aluminum electrospinning Copolymer Piezoelectric Adhesive HardDisk high_resolution Fiber FailureAnlaysis flakes Memory rubber molecules Collagen Pvdf Wildtype LiIonBattery NUS_NNI_Nanocore Cobalt Pores StainlessSteel SFAs SSRM Phthalocyanine