molecules Blend Gold MonoLayer TungstenDeposition Mechanical TipBiasMode Writing self-assembled_monolayer CrossSection LeakageCurrent Potential Tin disulfide aluminum_nitride Polyethylene CBD Iron ElectrostaticForceMicroscopy Beads mechanical_property MetalCompound UnivCollegeLondon Inorganic_Compound Sadowski IndiumTinOxide BiFeO3 NeodymiumMagnets GaAs Nanostructure Hysteresys Piezo DeoxyribonucleicAcid Chrome Nickel CP-AFM