Optical Roughness sputter vertical_PFM LogAmplifier Phosphide ContactMode Wonseok Composition Pattern Al2O3 UTEM Sphere Fiber LiftMode Polyvinylidene Cobalt KelvinProbeForceMicroscopy Copper LiIonBattery Techcomp Memory ScanningSpreadingResistanceMicroscopy Stiffness strontiu_titanate frequency_modulation CuSubstrate self-assembly ContactModeDot Forevision Boron TPU MechanicalProperty LightEmission Epoxy