Ferrite graphene_hybrid Holes Friction ULCA Hair Al2O3 Fiber Mapping 2-vinylpyridine Sic Piranha Step Polydimethylsiloxane OpticalElement epitaxy OxideLayer CeramicCapacitor Resistance BaTiO3 Polyurethane ThermalProperties Defects Tin sulfide Device Wonseok HafniumDioxide MLCC PtfeFilter CrAu biocompatible KAIST Chloroform Hexylthiophene Topography