piezoelectric force microscopy India Led Graphene DomainSwitching VerticalPFM atomic_layer neodymium_magnets optoelectronics SFAs Crystal Bio TemperatureControllerStage silicon_carbide ThermalDetectors LiIonBattery self-assembly Polypropylene ShenYang Piezoelectric Forevision Conductance SrO MultiLayerCeramicCapacitor NUS_NNI_Nanocore AdhesionForce Metal-organicComplex FrictionalForce PS_LDPE Hafnium_dioxide cannabidiol Vanadate Hexacontane single_layer Mfm