graphene_hybrid Metal-organicComplex Vinylpyridine Kevlar Metal lithography lift_mode Phase CaMnO3 Co/Cr/Pt layers Croatia ring shape SingleCrystal Chrome Bmp Butterfly PetruPoni norganic Implant IISCBangalore Nickel Sadowski TempControl tip_bias_mode FrictionalForce Mechanical BFO CuSubstrate PolymerBlend PrCurve EPFL Chemical Vapor Deposition Nanostructure Boundary