Butterfly piezoelectric force microscopy Conducting frequency_modulation StrontiuTitanate ChemicalCompound NanoLithography TemperatureControl GaP ito_film Ram Heat BloodCell MechanicalProperties Chungnam_National_University Co/Cr/Pt Memory BFO Moire Sapphire cannabis Solution Zagreb fe_nd_b CastIron BismuthVanadate India Domain SThM Polyaniline Non-ContactMode CalciumHydroxyapatite MechanicalProperty Device ForceVolumeMapping