cross section Piranha Step ForceDistanceSpectroscopy pulsed_laser_deposition 2-vinylpyridine Mechanical HumanHair ScanningIon-ConductanceMicroscopy OrganicSemiconductor Dr.JurekSadowski self-assembled_monolayer UnivCollegeLondon MolecularSelfAssembly ContactModeDots Formamidinium_lead_iodide LiNbO3 HighAspect aluminum_nitride AtomicSteps sputter Multiferroic_materials Chemical Vapor Deposition NUS_Physics LateralForce Ferrite CeNSE_IISc ScanningThermalMicroscopy Lateral Heating PECurve ElectroChemical Zagreb SurfaceChange Spain