IISCBangalore Sio2 SAM FrictionalForceMicroscopy Conductive AFM NUS_Physics Growing Crystal KevlarFiber GranadaUniv KPFM CalciumHydroxyapatite HexagonalBoronNitride Dopped Composition molecules margarine PolymerPatterns Sapphire StyreneBeads nanomechanical lithography DOE exfoliate Wonseok polymeric_arrays DLaTGS LogAmplifier LightEmission Transparent PvdfBead DNAProtein Barium_titanate InsulatorFilm Litho