thermal_property Tungsten frequency_modulation SThM UnivCollegeLondon Ito LateralForce Phenanthrene Polyurethane self_healing STO Barium_titanate Memory Pores Piranha CeNSE_IISc TriGlycineSulphate MolecularSelfAssembly Tin sulfide Ceramic small_scan Crystal Styrene LiquidCell Scanning_Thermal_Microscopy MechanicalProperty Magnetostrictive Cobalt-dopedIronOxide Tapping Aluminium_Oxide Alloy single_layer atomic_steps organic_polymer ThermalConductivity