MESA structure BTO heterojunctions FloppyDisk PUR Scanning_Thermal_Microscopy Temasek_Lab FM_SKPM mechanical_property STM Worcester_Polytechnic_Institute Display Hydroxyapatite MonoLayer Molybdenum_disulfide Potential Jason ThermalDetectors C60H122 multi_layer HydroGel Piezoelectric KAIST Metal-organicComplex PatternedSapphireSubstrat Adhesive Reading Leakage Filter CompactDisk Collagen Hair ConductingPolymer VerticalPFM Force-distance