ScratchMode Hysteresys ScanningThermalMicroscopy polyvinyl acetate Jason Sulfur ForceMapping piezoelectric force microscopy nanobar DIWafer single_layer BismuthVanadate thermoplastic_elastomers NUS Insulator HardDisk LightEmiting small_scan India NtuEee PVAC 2-vinylpyridine light_emitting lift_mode Dimethicone NUS_Physics Ceramic Styrene DLaTGS Annealing InLiquid Inorganic_Compound IndiumTinOxide Wildtype Nanofiber