biocompatible HexagonalBoronNitride Vacuum Cobalt-dopedIronOxide Domain FrictionalForce LiquidCrystal Water Boron PtfeMembrane LightEmiting MagneticForce UnivCollegeLondon 3-hexylthiophene HighResolution LDPE HighAcpectRatio ItoGlass SAM ScanningSpreadingResistanceMicroscopy GranadaUniv Adhesive align Polydimethylsiloxane Sio2 IMT_Bucharest Sadowski ThinFilm Roughness CarbonNanotube Oxide Strontium Ni81Fe19 HOPG semifluorinated alkane