Wonseok BoronNitride Resistance Composition Layer Potential LogAmplifier VerticalPFM mechanical property Implant FailureAnlaysis mechanical_property Metal Tin disulfide Crystal ContactModeDots Sio2 KevlarFiber MfmPhase Phosphide CP-AFM dielectric_trench PtfeMembrane TappingMode self-assembly Polyethylene Tape YszSubstrate Current contact Pipette self-assembled_monolayer IRDetector Polyurethane CrossSection