ScanningThermalMicroscopy 2dMaterials hydrocarbon DataStorage Polyurethane ferromagnetic Sic CNT atomic_steps heterojunctions Typhimurium LogAmplifier Temasek_Lab Gong temp_control Layer silicon_oxide TemperatureControllerAFM Adhesive Polytetrafluoroethylene Silver NeodymiumMagnets Thermal dielectric trench Mapping Deposition Copper IIT-chennai MBE Butterfly TemperatureControllerStage rubber Heating Film EFM