KPFM FM_SKPM plastic membrane Pzt Calcium chemical_compound CHRYSALIS_INC MolecularSelfAssembly temperature controller AFM #EC PFM LateralForceMicroscopy Wang Adhesion DomainSwitching Strontium norganic PS_PVAC NanoLithography Bacterium Growing atomic_steps Hair Pvdf GalliumPhosphide Pipette ConductiveAFM AEAPDES Pinpoint Varistor BCZT Flake Aluminum Silicon