CBD FastScan BiasMode bias_mode BoronNitride Insulator KelvinProbeForceMicroscopy Permalloy electrospinning Cell ChemicalCompound Phenanthrene LFM Potential SolarCell PolyvinylideneFluoride Friction Polymer Fet Stiffness Boundary PolymerPatterns CaMnO3 Adhesion LithiumNiobate Tape mechanical property NiFe 2-vinylpyridine vertical_PFM Indent CrossSection Sidewall NUS_Physics Mechinical