BiFeO3 UnivMaryland MechanicalProperties Pipette molecular_beam Fe_film organic_polymer Glass Temasek_Lab Cancer NanoLithography graphene_hybrid TempControl Collagen FM_SKPM DNAProtein PatternedSapphireSubstrat MoS2 FrictionalForce mechanical_property SrTiO3 ScanningKelvinProbeMicroscopy FrictionForce ScanningTunnelingMicroscopy GaN thermoplastic_elastomers high_resolution PyroelectricDetector Austenite ElectroChemical Fluoride ForceVolume InorganicCompound Magnets PUR