TappingMode STO MfmAmplitude Chemical_Vapor_Deposition OpticalElement Pvdf Polytetrafluoroethylene StrontiuTitanate Mapping Fet Perovskite Oxidation NUS_NNI_Nanocore Photovoltaics Galfenol BlockCopolymer Solution fluorocarbon Growth alkanes high_resolution FrictionalForceMicroscopy electrospinning Chloroform PECurve Magnets Oxide Defect hydrocarbon STM Pipette Sphere ForceVolumeMapping FM_SKPM amplitude_modulation