HfO2 Foil MoirePattern Holes Yeditepe_University 3-hexylthiophene Edwin Steps EPFL ImideMonomer hetero_structure Scratch layers align Adhesion Potential NTU mechanical_property ito_film Tape contact Patterns ScratchMode China H-BN Silver Neodymium Mechinical Electical&Electronics high_resolution NUS Magnetic Spincast SiliconeOxide PolyStylene