VinylAlcohol FM_SKPM LeakageCurrent DNAProtein ForceVolumeMapping Layer Stiffness GlassTemp Temasek_Lab Polyvinylidene_fluoride SiliconeOxide TempControl self_assembly Hysteresys sputter cross section PatternedSapphireSubstrat OpticalWaveguide TPU rubber Strontium Morphology biocompatible ForceMapping DentalProsthesis BoronNitride Self-assembledMonolayer TipBiasMode ForceVolume margarine alkanes BiasMode Pzt FrictionForce Bmp