Spain PinpointNanomechanicalMode Epoxy Wang 3-hexylthiophene CuSubstrate AIN Multiferroic_materials Defects ScanningSpreadingResistanceMicroscopy polyvinyl acetate SmallScan 2d_materials CrystalGrowing CHRYSALIS_INC 2dMaterials PtfeMembrane Bismuth PUR SelfAssembly Chemical Vapor Deposition Polarization Flake HexagonalBoronNitride PolycrystallineFerroelectricBCZT Ferroelectric FastScan Hole Chloroform ForceVolume Roughness UnivMaryland StainlessSteel Pinpoint cannabinoid