multi_layer light_emission SingleCrystal StrontiumTitanate FrictionalForce KPFM Dopped piezoelectric force microscopy CeramicCapacitor Sapphire DentalProsthesis AM_KPFM Deposition HexacontaneFilm SmallScan FrequencyModulation INSPParis VerticalPFM IIT-chennai Molybdenum MoS2 LiIonBattery India mfm_amplitude CalciumHydroxide Singapore Global_Comm PtfeMembrane NUS_Physics CaMnO3 TemperatureControllerAFM HighResolution Boundary Forevision MBE