LiquidCrystal molecule KelvinProbeForceMicroscopy PinpointPFM PMNPT Scanning_Thermal_Microscopy SmalScan 2d_materials Gallium plastic StrontiumTitanate Global_Comm Polyvinylidene_fluoride MonoLayer StainlessSteel NUSNNI MLCC AM_KPFM Electrical&Electronics suspended_graphene Piezoresponse GaAs Dr.JurekSadowski Indium_tin_oxide SiWafer Techcomp TPU ForceDistanceSpectroscopy thermoplastic_elastomers Ananth Chungnam_National_University PrCurve University_of_Regensburg molecular_beam Layer