Lateral_Force_Microscopy suspended_graphene NCM Hydroxyapatite StainlessSteel Roughness Solar PinpointNanomechanicalMode CastIron AM_SKPM polymeric_arrays University_of_Regensburg StyreneBeads block_copolymer vertical_PFM Adhesion UnivOfMaryland Filter #EC Chloroform Pyroelectric Polyimide Zagreb ferromagnetic Sadowski StrontiuTitanate NtuEee HighAcpectRatio Tape pinpoint mode AM_KPFM Korea PinpointPFM Photovoltaics Cross-section