FM_SKPM FrictionalForceMicroscopy Conducting flakes Galfenol Polymer FM-KPFM single_layer NanoLithography Calcium rubber UnivCollegeLondon Thermoplastic_polyurethane CHRYSALIS_INC Temperature Collagen CNT LiBattery temp Magnetic Force Microscopy HOPG Lift STO Mechanical&nanotechnology Silver Growth LiquidImaging LithiumNiobate Celebration conductive ito_film Patterns Implant Lattice thermal_conductivity