Pvdf TipBiasMode Piezoelectric TiO2 Subhajjit IRDetector contact tip_bias_mode Lift bias_mode silicon_oxide Indium_tin_oxide domain_switching Thermoplastic_polyurethane temperature_control ElectroChemical SicMosfet FuelCell HighAcpectRatio CuSubstrate PolyStylene layers Scanning_Thermal_Microscopy StrontiuTitanate Heat DLaTGS Patterns Sulfur MLCC SmalScan #Materials BCZT PvdfFilm Aggregated_molecules CuFoil