ScanningSpreadingResistanceMicroscopy ForceMapping Lateral TungstenThinFilmDeposition SICM DNA Reduction HexagonalBN Hydroxyapatite ForceVolume UnivOfMaryland graphene_hybrid Magnets Fe_film Silicon AtomicSteps HOPG Optical CuParticle Hole chemical_compound Hexacontane GranadaUniv LiquidCrystal Modulus PMNPT Microchannel Resistance P3HT SThM Lateral_Force_Microscopy strontiu_titanate ScratchMode ThermalDetectors hetero_structure