EPFL SFAs Polyvinylidene Graphene DeoxyribonucleicAcid LightEmission HumanHair PolyStylene tip_bias_mode Piranha CopperFoil membrane HACrystal BismuthVanadate PiezoelectricForceMicroscopy OpticalModulator ElectroDeposition Composition BariumTitanate MetalCompound DNA VinylAlcohol kelvin probe force microscopy Hole temp SmalScan Polyimide Hexatriacontane PhaseTransition molecular_beam Dental BreastCancerCell ring shape Strontium Ananth