DeflectionOptics LDPE mono_layer Polyethylene Jason molecules ElectrostaticForceMicroscopy MBE Biofilm Optoelectronic UnivCollegeLondon SicMosfet Polyurethane OpticalElement piezoelectric force microscopy Lateral Annealed HOPG Pzt lithography NUSNNI SrO CuParticle Conduct Implant Polyvinylidene Modulus Pipette LiBattery Polymer Epoxy F14H20 Roughness hard_disk Scratch