Holes PpLdpe 2d_materials WS2 Morphology Semiconductor ScratchMode Ito Jason ElectroDeposition non_contact SPMLabs SmallScan Wonseok Fiber Korea Yeditepe_University NUSNNI neodymium_magnets MolecularSelfAssembly WPlug SiliconeOxide HumanHair self_assembly CaMnO3 PDMS mechanical property Reduction BreastCancerCell Workfunction PS_LDPE Gold Hafnia ContactModeDots ForceVolume